32221113212120 has 128 divisors (see below), whose sum is σ = 82959947366400. Its totient is φ = 11033160076800.

The previous prime is 32221113212083. The next prime is 32221113212131. The reversal of 32221113212120 is 2121231112223.

It is a super-2 number, since 2×32221113212120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763132610 + ... + 763174830.

It is an arithmetic number, because the mean of its divisors is an integer number (648124588800).

Almost surely, 2^{32221113212120} is an apocalyptic number.

It is an amenable number.

32221113212120 is an abundant number, since it is smaller than the sum of its proper divisors (50738834154280).

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

32221113212120 is a wasteful number, since it uses less digits than its factorization.

32221113212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45649 (or 45645 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 32221113212120 its reverse (2121231112223), we get a palindrome (34342344324343).

The spelling of 32221113212120 in words is "thirty-two trillion, two hundred twenty-one billion, one hundred thirteen million, two hundred twelve thousand, one hundred twenty".