221132322331010 has 24 divisors (see below), whose sum is σ = 422829485542260. Its totient is φ = 83249815464704.

The previous prime is 221132322331009. The next prime is 221132322331013. The reversal of 221132322331010 is 10133223231122.

It can be written as a sum of positive squares in 6 ways, for example, as 200194568874169 + 20937753456841 = 14149013^2 + 4575779^2 .

It is not an unprimeable number, because it can be changed into a prime (221132322331013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38258184365 + ... + 38258190144.

Almost surely, 2^{221132322331010} is an apocalyptic number.

221132322331010 is a deficient number, since it is larger than the sum of its proper divisors (201697163211250).

221132322331010 is a wasteful number, since it uses less digits than its factorization.

221132322331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76516374550 (or 76516374533 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221132322331010 its reverse (10133223231122), we get a palindrome (231265545562132).

The spelling of 221132322331010 in words is "two hundred twenty-one trillion, one hundred thirty-two billion, three hundred twenty-two million, three hundred thirty-one thousand, ten".