11311021110 has 32 divisors (see below), whose sum is σ = 27157939200. Its totient is φ = 3014995808.

The previous prime is 11311021103. The next prime is 11311021133. The reversal of 11311021110 is 1112011311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6612 + ... + 150551.

It is an arithmetic number, because the mean of its divisors is an integer number (848685600).

Almost surely, 2^11311021110 is an apocalyptic number.

11311021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11311021110 is an abundant number, since it is smaller than the sum of its proper divisors (15846918090).

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

11311021110 is a wasteful number, since it uses less digits than its factorization.

11311021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159572.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11311021110 its reverse (1112011311), we get a palindrome (12423032421).

The spelling of 11311021110 in words is "eleven billion, three hundred eleven million, twenty-one thousand, one hundred ten".