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102121100022 = 23194993179411
BaseRepresentation
bin101111100011011100…
…1000101001011110110
3100202120222212101110210
41133012321011023312
53133121000200042
6114525213330250
710243441012404
oct1370671051366
9322528771423
10102121100022
113a344775a27
1217960196986
1398260a7606
144d2aa40474
1529ca56da9c
hex17c6e452f6

102121100022 has 32 divisors (see below), whose sum is σ = 215036046720. Its totient is φ = 32242129920.

The previous prime is 102121100009. The next prime is 102121100033. The reversal of 102121100022 is 220001121201.

It is a junction number, because it is equal to n+sod(n) for n = 102121099980 and 102121100007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479497 + ... + 658907.

It is an arithmetic number, because the mean of its divisors is an integer number (6719876460).

Almost surely, 2102121100022 is an apocalyptic number.

102121100022 is an abundant number, since it is smaller than the sum of its proper divisors (112914946698).

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

102121100022 is a wasteful number, since it uses less digits than its factorization.

102121100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184428.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102121100022 its reverse (220001121201), we get a palindrome (322122221223).

The spelling of 102121100022 in words is "one hundred two billion, one hundred twenty-one million, one hundred thousand, twenty-two".

Divisors: 1 2 3 6 19 38 57 114 4993 9986 14979 29958 94867 179411 189734 284601 358822 538233 569202 1076466 3408809 6817618 10226427 20452854 895799123 1791598246 2687397369 5374794738 17020183337 34040366674 51060550011 102121100022