21222211102332 has 48 divisors (see below), whose sum is σ = 50924549824512. Its totient is φ = 6873714216000.

The previous prime is 21222211102321. The next prime is 21222211102343. The reversal of 21222211102332 is 23320111222212.

It is an interprime number because it is at equal distance from previous prime (21222211102321) and next prime (21222211102343).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31489308 + ... + 32156195.

It is an arithmetic number, because the mean of its divisors is an integer number (1060928121344).

Almost surely, 2^{21222211102332} is an apocalyptic number.

It is an amenable number.

21222211102332 is an abundant number, since it is smaller than the sum of its proper divisors (29702338722180).

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

21222211102332 is a wasteful number, since it uses less digits than its factorization.

21222211102332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63646298 (or 63646296 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21222211102332 its reverse (23320111222212), we get a palindrome (44542322324544).

The spelling of 21222211102332 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred eleven million, one hundred two thousand, three hundred thirty-two".