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11210203213220 = 225111391911919299
BaseRepresentation
bin1010001100100001010000…
…1011100010110110100100
31110200200111100002022001202
42203020110023202312210
52432131444010310340
635501521331542032
72234624200051544
oct243102413426644
943620440068052
1011210203213220
113632247512230
12131074245a918
1363416b5713ab
142aa810797324
1514690a77cc15
hexa32142e2da4

11210203213220 has 96 divisors (see below), whose sum is σ = 26001755136000. Its totient is φ = 4025919484800.

The previous prime is 11210203213213. The next prime is 11210203213249. The reversal of 11210203213220 is 2231230201211.

It is a super-4 number, since 4×112102032132204 (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11210203213192 and 11210203213201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4881131 + ... + 6800429.

It is an arithmetic number, because the mean of its divisors is an integer number (270851616000).

Almost surely, 211210203213220 is an apocalyptic number.

11210203213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11210203213220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13000877568000).

11210203213220 is an abundant number, since it is smaller than the sum of its proper divisors (14791551922780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11210203213220 is a wasteful number, since it uses less digits than its factorization.

11210203213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919649 (or 1919647 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11210203213220 its reverse (2231230201211), we get a palindrome (13441433414431).

The spelling of 11210203213220 in words is "eleven trillion, two hundred ten billion, two hundred three million, two hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 139 191 220 278 382 556 695 764 955 1390 1529 1910 2101 2780 3058 3820 4202 6116 7645 8404 10505 15290 21010 26549 30580 42020 53098 106196 132745 265490 292039 530980 584078 1168156 1460195 1919299 2920390 3838598 5840780 7677196 9596495 19192990 21112289 38385980 42224578 84449156 105561445 211122890 266782561 366586109 422245780 533565122 733172218 1067130244 1333912805 1466344436 1832930545 2667825610 2934608171 3665861090 4032447199 5335651220 5869216342 7331722180 8064894398 11738432684 14673040855 16129788796 20162235995 29346081710 40324471990 50955469151 58692163420 80648943980 101910938302 203821876604 254777345755 509554691510 560510160661 1019109383020 1121020321322 2242040642644 2802550803305 5605101606610 11210203213220