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102222212211020 = 22511464646419141
BaseRepresentation
bin10111001111100001110110…
…101001011010000101001100
3111101221100101201122022000102
4113033201312221122011030
5101344302042311223040
61001224122550350232
730350211466236116
oct2717416651320514
9441840351568012
10102222212211020
112a631218958050
12b56b42405b378
1345066897bc7c5
141b3581d7a43b6
15bc407acbc515
hex5cf876a5a14c

102222212211020 has 24 divisors (see below), whose sum is σ = 234181795247568. Its totient is φ = 37171713531200.

The previous prime is 102222212211013. The next prime is 102222212211043. The reversal of 102222212211020 is 20112212222201.

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 = 102222212210983 and 102222212211001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232323209351 + ... + 232323209790.

It is an arithmetic number, because the mean of its divisors is an integer number (9757574801982).

Almost surely, 2102222212211020 is an apocalyptic number.

102222212211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222212211020 is an abundant number, since it is smaller than the sum of its proper divisors (131959583036548).

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

102222212211020 is a wasteful number, since it uses less digits than its factorization.

102222212211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464646419161 (or 464646419159 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102222212211020 its reverse (20112212222201), we get a palindrome (122334424433221).

The spelling of 102222212211020 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 464646419141 929292838282 1858585676564 2323232095705 4646464191410 5111110610551 9292928382820 10222221221102 20444442442204 25555553052755 51111106105510 102222212211020