222110133231 has 16 divisors (see below), whose sum is σ = 338460472064. Its totient is φ = 126917475264.

The previous prime is 222110133227. The next prime is 222110133233. The reversal of 222110133231 is 132331011222.

It is not a de Polignac number, because 222110133231 - 2² = 222110133227 is a prime.

It is a super-2 number, since 2×222110133231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222110133198 and 222110133207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110133233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486995 + ... + 1629531.

It is an arithmetic number, because the mean of its divisors is an integer number (21153779504).

Almost surely, 2^222110133231 is an apocalyptic number.

222110133231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222110133231 is a deficient number, since it is larger than the sum of its proper divisors (116350338833).

222110133231 is a wasteful number, since it uses less digits than its factorization.

222110133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216750.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 222110133231 its reverse (132331011222), we get a palindrome (354441144453).

The spelling of 222110133231 in words is "two hundred twenty-two billion, one hundred ten million, one hundred thirty-three thousand, two hundred thirty-one".