122203131131 has 4 divisors (see below), whose sum is σ = 123924302064. Its totient is φ = 120481960200.

The previous prime is 122203131103. The next prime is 122203131161. The reversal of 122203131131 is 131131302221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131131302221 = 17 ⋅7713606013.

It is a cyclic number.

It is not a de Polignac number, because 122203131131 - 2³⁰ = 121129389307 is a prime.

It is a super-2 number, since 2×122203131131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122203131161) 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, 860585360 + ... + 860585501.

It is an arithmetic number, because the mean of its divisors is an integer number (30981075516).

Almost surely, 2^122203131131 is an apocalyptic number.

122203131131 is a deficient number, since it is larger than the sum of its proper divisors (1721170933).

122203131131 is an equidigital number, since it uses as much as digits as its factorization.

122203131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721170932.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 122203131131 its reverse (131131302221), we get a palindrome (253334433352).

The spelling of 122203131131 in words is "one hundred twenty-two billion, two hundred three million, one hundred thirty-one thousand, one hundred thirty-one".