21102322231312 has 40 divisors (see below), whose sum is σ = 47318046252800. Its totient is φ = 8929373236992.

The previous prime is 21102322231297. The next prime is 21102322231369. The reversal of 21102322231312 is 21313222320112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192482237 + ... + 1192499932.

It is an arithmetic number, because the mean of its divisors is an integer number (1182951156320).

Almost surely, 2^{21102322231312} is an apocalyptic number.

It is an amenable number.

21102322231312 is an abundant number, since it is smaller than the sum of its proper divisors (26215724021488).

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

21102322231312 is a wasteful number, since it uses less digits than its factorization.

21102322231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384982263 (or 2384982257 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21102322231312 its reverse (21313222320112), we get a palindrome (42415544551424).

The spelling of 21102322231312 in words is "twenty-one trillion, one hundred two billion, three hundred twenty-two million, two hundred thirty-one thousand, three hundred twelve".