11121032331 has 24 divisors (see below), whose sum is σ = 16618492800. Its totient is φ = 7161552000.

The previous prime is 11121032311. The next prime is 11121032339. The reversal of 11121032331 is 13323012111.

It is not a de Polignac number, because 11121032331 - 2¹⁴ = 11121015947 is a prime.

It is a super-2 number, since 2×11121032331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121032339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111931 + ... + 186468.

It is an arithmetic number, because the mean of its divisors is an integer number (692437200).

Almost surely, 2^11121032331 is an apocalyptic number.

11121032331 is a deficient number, since it is larger than the sum of its proper divisors (5497460469).

11121032331 is a wasteful number, since it uses less digits than its factorization.

11121032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298547 (or 298544 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11121032331 its reverse (13323012111), we get a palindrome (24444044442).

The spelling of 11121032331 in words is "eleven billion, one hundred twenty-one million, thirty-two thousand, three hundred thirty-one".