222111331131 has 16 divisors (see below), whose sum is σ = 311912550144. Its totient is φ = 140312503584.

The previous prime is 222111331129. The next prime is 222111331163. The reversal of 222111331131 is 131133111222.

It is not a de Polignac number, because 222111331131 - 2¹ = 222111331129 is a prime.

It is a super-2 number, since 2×222111331131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222111331098 and 222111331107.

It is not an unprimeable number, because it can be changed into a prime (222111331231) 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, 15034696 + ... + 15049461.

It is an arithmetic number, because the mean of its divisors is an integer number (19494534384).

Almost surely, 2^222111331131 is an apocalyptic number.

222111331131 is a deficient number, since it is larger than the sum of its proper divisors (89801219013).

222111331131 is a wasteful number, since it uses less digits than its factorization.

222111331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30084290.

The product of its digits is 216, while the sum is 21.

Adding to 222111331131 its reverse (131133111222), we get a palindrome (353244442353).

The spelling of 222111331131 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred thirty-one thousand, one hundred thirty-one".