11131122234 has 32 divisors (see below), whose sum is σ = 22321080576. Its totient is φ = 3700584000.

The previous prime is 11131122209. The next prime is 11131122239. The reversal of 11131122234 is 43222113111.

It is a self number, because there is not a number n which added to its sum of digits gives 11131122234.

It is not an unprimeable number, because it can be changed into a prime (11131122239) 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, 5572924 + ... + 5574920.

It is an arithmetic number, because the mean of its divisors is an integer number (697533768).

Almost surely, 2^11131122234 is an apocalyptic number.

11131122234 is an abundant number, since it is smaller than the sum of its proper divisors (11189958342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131122234 is a wasteful number, since it uses less digits than its factorization.

11131122234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990.

The product of its digits is 288, while the sum is 21.

Adding to 11131122234 its reverse (43222113111), we get a palindrome (54353235345).

The spelling of 11131122234 in words is "eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty-four".