221131202313030 has 16 divisors (see below), whose sum is σ = 530714885551344. Its totient is φ = 58968320616800.

The previous prime is 221131202313019. The next prime is 221131202313071. The reversal of 221131202313030 is 30313202131122.

221131202313030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3685520038521 + ... + 3685520038580.

It is an arithmetic number, because the mean of its divisors is an integer number (33169680346959).

Almost surely, 2^{221131202313030} is an apocalyptic number.

221131202313030 is an abundant number, since it is smaller than the sum of its proper divisors (309583683238314).

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

221131202313030 is a wasteful number, since it uses less digits than its factorization.

221131202313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371040077111.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221131202313030 its reverse (30313202131122), we get a palindrome (251444404444152).

The spelling of 221131202313030 in words is "two hundred twenty-one trillion, one hundred thirty-one billion, two hundred two million, three hundred thirteen thousand, thirty".