Search a number
-
+
11210022021220 = 22511431184991757
BaseRepresentation
bin1010001100100000100101…
…1000010110100001100100
31110200200000201010210100221
42203020021120112201210
52432131111114134340
635501451340214124
72234616540000151
oct243101130264144
943620021123327
1011210022021220
113632164205a80
1213106b183a344
1363413cb70aa9
142aa7d46ad228
151468e98db44a
hexa3209616864

11210022021220 has 48 divisors (see below), whose sum is σ = 26278377225408. Its totient is φ = 3981572300160.

The previous prime is 11210022021199. The next prime is 11210022021223. The reversal of 11210022021220 is 2212022001211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11210022021194 and 11210022021203.

It is not an unprimeable number, because it can be changed into a prime (11210022021223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592486419 + ... + 592505338.

It is an arithmetic number, because the mean of its divisors is an integer number (547466192196).

Almost surely, 211210022021220 is an apocalyptic number.

11210022021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210022021220 is an abundant number, since it is smaller than the sum of its proper divisors (15068355204188).

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

11210022021220 is a wasteful number, since it uses less digits than its factorization.

11210022021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184991820 (or 1184991818 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11210022021220 its reverse (2212022001211), we get a palindrome (13422044022431).

The spelling of 11210022021220 in words is "eleven trillion, two hundred ten billion, twenty-two million, twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 43 44 55 86 110 172 215 220 430 473 860 946 1892 2365 4730 9460 1184991757 2369983514 4739967028 5924958785 11849917570 13034909327 23699835140 26069818654 50954645551 52139637308 65174546635 101909291102 130349093270 203818582204 254773227755 260698186540 509546455510 560501101061 1019092911020 1121002202122 2242004404244 2802505505305 5605011010610 11210022021220