11531331122 has 8 divisors (see below), whose sum is σ = 17297629056. Its totient is φ = 5765454772.

The previous prime is 11531331109. The next prime is 11531331157. The reversal of 11531331122 is 22113313511.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 24638 + ... + 153849.

It is an arithmetic number, because the mean of its divisors is an integer number (2162203632).

Almost surely, 2^11531331122 is an apocalyptic number.

11531331122 is a deficient number, since it is larger than the sum of its proper divisors (5766297934).

11531331122 is a wasteful number, since it uses less digits than its factorization.

11531331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210792.

The product of its digits is 540, while the sum is 23.

Adding to 11531331122 its reverse (22113313511), we get a palindrome (33644644633).

The spelling of 11531331122 in words is "eleven billion, five hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty-two".