11251251122 has 12 divisors (see below), whose sum is σ = 17027589930. Its totient is φ = 5575828608.

The previous prime is 11251251097. The next prime is 11251251157. The reversal of 11251251122 is 22115215211.

It can be written as a sum of positive squares in 3 ways, for example, as 3108174001 + 8143077121 = 55751^2 + 90239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194747 + ... + 245822.

Almost surely, 2^11251251122 is an apocalyptic number.

11251251122 is a deficient number, since it is larger than the sum of its proper divisors (5776338808).

11251251122 is an equidigital number, since it uses as much as digits as its factorization.

11251251122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440797 (or 440684 counting only the distinct ones).

The product of its digits is 400, while the sum is 23.

Adding to 11251251122 its reverse (22115215211), we get a palindrome (33366466333).

The spelling of 11251251122 in words is "eleven billion, two hundred fifty-one million, two hundred fifty-one thousand, one hundred twenty-two".