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102232321121 = 7231036164887
BaseRepresentation
bin101111100110110000…
…1010110110001100001
3100202212202011000010202
41133031201112301201
53133332433233441
6114544225234545
710246261251230
oct1371541266141
9322782130122
10102232321121
113a3a1530a97
1217991492a55
139843149708
144d3b712b17
1529d51dd19b
hex17cd856c61

102232321121 has 16 divisors (see below), whose sum is σ = 123100483584. Its totient is φ = 83004025104.

The previous prime is 102232321111. The next prime is 102232321123. The reversal of 102232321121 is 121123232201.

It is not a de Polignac number, because 102232321121 - 26 = 102232321057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102232321093 and 102232321102.

It is not an unprimeable number, because it can be changed into a prime (102232321123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3065861 + ... + 3099026.

It is an arithmetic number, because the mean of its divisors is an integer number (7693780224).

Almost surely, 2102232321121 is an apocalyptic number.

It is an amenable number.

102232321121 is a deficient number, since it is larger than the sum of its proper divisors (20868162463).

102232321121 is a wasteful number, since it uses less digits than its factorization.

102232321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165020.

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

Adding to 102232321121 its reverse (121123232201), we get a palindrome (223355553322).

It can be divided in two parts, 102232321 and 121, that multiplied together give a square (12370110841 = 1112212).

The spelling of 102232321121 in words is "one hundred two billion, two hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 7 23 103 161 721 2369 16583 6164887 43154209 141792401 634983361 992546807 4444883527 14604617303 102232321121