11122089231 has 32 divisors (see below), whose sum is σ = 17873975808. Its totient is φ = 6068311040.

The previous prime is 11122089203. The next prime is 11122089239. The reversal of 11122089231 is 13298022111.

It is not a de Polignac number, because 11122089231 - 2¹⁴ = 11122072847 is a prime.

It is a super-2 number, since 2×11122089231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122089239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418086 + ... + 443891.

It is an arithmetic number, because the mean of its divisors is an integer number (558561744).

Almost surely, 2^11122089231 is an apocalyptic number.

11122089231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122089231 is a deficient number, since it is larger than the sum of its proper divisors (6751886577).

11122089231 is a wasteful number, since it uses less digits than its factorization.

11122089231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862031.

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 11122089231 in words is "eleven billion, one hundred twenty-two million, eighty-nine thousand, two hundred thirty-one".