222111230031 has 20 divisors (see below), whose sum is σ = 331845853152. Its totient is φ = 148051810368.

The previous prime is 222111229981. The next prime is 222111230053. The reversal of 222111230031 is 130032111222.

222111230031 is a `hidden beast` number, since 2 + 221 + 112 + 300 + 31 = 666.

It is not a de Polignac number, because 222111230031 - 2¹⁰ = 222111229007 is a prime.

It is a super-2 number, since 2×222111230031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222111229986 and 222111230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111220031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 342186 + ... + 749208.

Almost surely, 2^222111230031 is an apocalyptic number.

222111230031 is a deficient number, since it is larger than the sum of its proper divisors (109734623121).

222111230031 is an equidigital number, since it uses as much as digits as its factorization.

222111230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413772 (or 413763 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 222111230031 its reverse (130032111222), we get a palindrome (352143341253).

The spelling of 222111230031 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred thirty thousand, thirty-one".