221010022231 has 16 divisors (see below), whose sum is σ = 234494853120. Its totient is φ = 207579335040.

The previous prime is 221010022201. The next prime is 221010022271. The reversal of 221010022231 is 132220010122.

It is a happy number.

It is not a de Polignac number, because 221010022231 - 2⁵ = 221010022199 is a prime.

It is a super-2 number, since 2×221010022231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31394410 + ... + 31401448.

It is an arithmetic number, because the mean of its divisors is an integer number (14655928320).

Almost surely, 2^221010022231 is an apocalyptic number.

221010022231 is a deficient number, since it is larger than the sum of its proper divisors (13484830889).

221010022231 is a wasteful number, since it uses less digits than its factorization.

221010022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10614.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 221010022231 its reverse (132220010122), we get a palindrome (353230032353).

The spelling of 221010022231 in words is "two hundred twenty-one billion, ten million, twenty-two thousand, two hundred thirty-one".