11311021122 has 8 divisors (see below), whose sum is σ = 22622042256. Its totient is φ = 3770340372.

The previous prime is 11311021103. The next prime is 11311021133. The reversal of 11311021122 is 22112011311.

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

11311021122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942585088 + ... + 942585099.

It is an arithmetic number, because the mean of its divisors is an integer number (2827755282).

Almost surely, 2^11311021122 is an apocalyptic number.

11311021122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11311021122 is a wasteful number, since it uses less digits than its factorization.

11311021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885170192.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11311021122 its reverse (22112011311), we get a palindrome (33423032433).

The spelling of 11311021122 in words is "eleven billion, three hundred eleven million, twenty-one thousand, one hundred twenty-two".