102123212111130 has 64 divisors (see below), whose sum is σ = 281199301712640. Its totient is φ = 23251621822464.

The previous prime is 102123212111119. The next prime is 102123212111149. The reversal of 102123212111130 is 31111212321201.

It is a super-2 number, since 2×102123212111130² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 102123212111097 and 102123212111106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 946056945 + ... + 946164884.

It is an arithmetic number, because the mean of its divisors is an integer number (4393739089260).

Almost surely, 2^{102123212111130} is an apocalyptic number.

102123212111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102123212111130 is an abundant number, since it is smaller than the sum of its proper divisors (179076089601510).

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

102123212111130 is a wasteful number, since it uses less digits than its factorization.

102123212111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892222103.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 102123212111130 its reverse (31111212321201), we get a palindrome (133234424432331).

The spelling of 102123212111130 in words is "one hundred two trillion, one hundred twenty-three billion, two hundred twelve million, one hundred eleven thousand, one hundred thirty".