11022203131 has 4 divisors (see below), whose sum is σ = 11146048200. Its totient is φ = 10898358064.

The previous prime is 11022203063. The next prime is 11022203209. The reversal of 11022203131 is 13130222011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11022203131 - 2¹⁷ = 11022072059 is a prime.

It is a super-2 number, since 2×11022203131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022203431) 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, 61922401 + ... + 61922578.

It is an arithmetic number, because the mean of its divisors is an integer number (2786512050).

Almost surely, 2^11022203131 is an apocalyptic number.

11022203131 is a deficient number, since it is larger than the sum of its proper divisors (123845069).

11022203131 is an equidigital number, since it uses as much as digits as its factorization.

11022203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123845068.

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

Adding to 11022203131 its reverse (13130222011), we get a palindrome (24152425142).

The spelling of 11022203131 in words is "eleven billion, twenty-two million, two hundred three thousand, one hundred thirty-one".