102312021321100 has 72 divisors (see below), whose sum is σ = 222174217440000. Its totient is φ = 40895854708800.

The previous prime is 102312021321089. The next prime is 102312021321109. The reversal of 102312021321100 is 1123120213201.

102312021321100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (102312021321109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818964441 + ... + 819089359.

It is an arithmetic number, because the mean of its divisors is an integer number (3085753020000).

Almost surely, 2^{102312021321100} is an apocalyptic number.

102312021321100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102312021321100 is an abundant number, since it is smaller than the sum of its proper divisors (119862196118900).

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

102312021321100 is a wasteful number, since it uses less digits than its factorization.

102312021321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130663 (or 130656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102312021321100 its reverse (1123120213201), we get a palindrome (103435141534301).

The spelling of 102312021321100 in words is "one hundred two trillion, three hundred twelve billion, twenty-one million, three hundred twenty-one thousand, one hundred".