102320112100 has 18 divisors (see below), whose sum is σ = 222034643474. Its totient is φ = 40928044800.

The previous prime is 102320112073. The next prime is 102320112137. The reversal of 102320112100 is 1211023201.

It can be written as a sum of positive squares in 3 ways, for example, as 25653147556 + 76666964544 = 160166^2 + 276888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511600461 + ... + 511600660.

Almost surely, 2^102320112100 is an apocalyptic number.

102320112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102320112100 is an abundant number, since it is smaller than the sum of its proper divisors (119714531374).

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

102320112100 is a wasteful number, since it uses less digits than its factorization.

102320112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023201135 (or 1023201128 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102320112100 its reverse (1211023201), we get a palindrome (103531135301).

It can be divided in two parts, 1023201 and 12100, that added together give a palindrome (1035301).

The spelling of 102320112100 in words is "one hundred two billion, three hundred twenty million, one hundred twelve thousand, one hundred".