10221220332112 has 20 divisors (see below), whose sum is σ = 20845909888480. Its totient is φ = 4841630683488.

The previous prime is 10221220332101. The next prime is 10221220332133. The reversal of 10221220332112 is 21123302212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16811217348 + ... + 16811217955.

It is an arithmetic number, because the mean of its divisors is an integer number (1042295494424).

Almost surely, 2^{10221220332112} is an apocalyptic number.

It is an amenable number.

10221220332112 is an abundant number, since it is smaller than the sum of its proper divisors (10624689556368).

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

10221220332112 is a wasteful number, since it uses less digits than its factorization.

10221220332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33622435330 (or 33622435324 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10221220332112 its reverse (21123302212201), we get a palindrome (31344522544313).

The spelling of 10221220332112 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, three hundred thirty-two thousand, one hundred twelve".