11131132212212 has 12 divisors (see below), whose sum is σ = 19525750926276. Its totient is φ = 5552346233280.

The previous prime is 11131132212133. The next prime is 11131132212227. The reversal of 11131132212212 is 21221223113111.

It can be written as a sum of positive squares in 2 ways, for example, as 2333940620176 + 8797191592036 = 1527724^2 + 2966006^2 .

It is a super-2 number, since 2×11131132212212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3304966313 + ... + 3304969680.

It is an arithmetic number, because the mean of its divisors is an integer number (1627145910523).

Almost surely, 2^{11131132212212} is an apocalyptic number.

It is an amenable number.

11131132212212 is a deficient number, since it is larger than the sum of its proper divisors (8394618714064).

11131132212212 is a wasteful number, since it uses less digits than its factorization.

11131132212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609936418 (or 6609936416 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

Adding to 11131132212212 its reverse (21221223113111), we get a palindrome (32352355325323).

The spelling of 11131132212212 in words is "eleven trillion, one hundred thirty-one billion, one hundred thirty-two million, two hundred twelve thousand, two hundred twelve".