222111332131 has 24 divisors (see below), whose sum is σ = 245498418704. Its totient is φ = 199654398720.

The previous prime is 222111332101. The next prime is 222111332141. The reversal of 222111332131 is 131233111222.

It is not a de Polignac number, because 222111332131 - 2¹¹ = 222111330083 is a prime.

It is a super-2 number, since 2×222111332131² (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 (222111332101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259172655 + ... + 259173511.

Almost surely, 2^222111332131 is an apocalyptic number.

222111332131 is a deficient number, since it is larger than the sum of its proper divisors (23387086573).

222111332131 is an frugal number, since it uses more digits than its factorization.

222111332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 1454 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 222111332131 its reverse (131233111222), we get a palindrome (353344443353).

The spelling of 222111332131 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred thirty-two thousand, one hundred thirty-one".