221232120113102 has 24 divisors (see below), whose sum is σ = 386069725274544. Its totient is φ = 94803388475712.

The previous prime is 221232120113063. The next prime is 221232120113111. The reversal of 221232120113102 is 201311021232122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122639138 + ... + 124429989.

It is an arithmetic number, because the mean of its divisors is an integer number (16086238553106).

Almost surely, 2^{221232120113102} is an apocalyptic number.

221232120113102 is a deficient number, since it is larger than the sum of its proper divisors (164837605161442).

221232120113102 is a wasteful number, since it uses less digits than its factorization.

221232120113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247078280 (or 247078273 counting only the distinct ones).

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

Adding to 221232120113102 its reverse (201311021232122), we get a palindrome (422543141345224).

The spelling of 221232120113102 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, one hundred twenty million, one hundred thirteen thousand, one hundred two".