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221010210001120 = 25511423120923909
BaseRepresentation
bin110010010000000111110011…
…000011110001000011100000
31001222112100222112102210012211
4302100013303003301003200
5212432012402230013440
62102014404441531504
764360314014560531
oct6220076303610340
91058470875383184
10221010210001120
11644699a3904231
12209553141a3b94
139642233ba5117
143c80d462b4688
151a83eb1bcbeea
hexc901f30f10e0

221010210001120 has 48 divisors (see below), whose sum is σ = 522182334683520. Its totient is φ = 88396344139264.

The previous prime is 221010210001103. The next prime is 221010210001157. The reversal of 221010210001120 is 21100012010122.

It is a self number, because there is not a number n which added to its sum of digits gives 221010210001120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58634275 + ... + 62289634.

It is an arithmetic number, because the mean of its divisors is an integer number (10878798639240).

Almost surely, 2221010210001120 is an apocalyptic number.

221010210001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221010210001120 is an abundant number, since it is smaller than the sum of its proper divisors (301172124682400).

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

221010210001120 is a wasteful number, since it uses less digits than its factorization.

221010210001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120935347 (or 120935339 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221010210001120 its reverse (21100012010122), we get a palindrome (242110222011242).

The spelling of 221010210001120 in words is "two hundred twenty-one trillion, ten billion, two hundred ten million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 11423 22846 45692 57115 91384 114230 182768 228460 365536 456920 913840 1827680 120923909 241847818 483695636 604619545 967391272 1209239090 1934782544 2418478180 3869565088 4836956360 9673912720 19347825440 1381313812507 2762627625014 5525255250028 6906569062535 11050510500056 13813138125070 22101021000112 27626276250140 44202042000224 55252552500280 110505105000560 221010210001120