11122032031 has 4 divisors (see below), whose sum is σ = 12133125864. Its totient is φ = 10110938200.

The previous prime is 11122032023. The next prime is 11122032073. The reversal of 11122032031 is 13023022111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13023022111 = 11 ⋅1183911101.

It is not a de Polignac number, because 11122032031 - 2³ = 11122032023 is a prime.

It is a super-2 number, since 2×11122032031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122031996 and 11122032014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122032011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505546900 + ... + 505546921.

It is an arithmetic number, because the mean of its divisors is an integer number (3033281466).

Almost surely, 2^11122032031 is an apocalyptic number.

11122032031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122032031 is a deficient number, since it is larger than the sum of its proper divisors (1011093833).

11122032031 is a wasteful number, since it uses less digits than its factorization.

11122032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011093832.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11122032031 its reverse (13023022111), we get a palindrome (24145054142).

The spelling of 11122032031 in words is "eleven billion, one hundred twenty-two million, thirty-two thousand, thirty-one".