122202011031 has 4 divisors (see below), whose sum is σ = 162936014712. Its totient is φ = 81468007352.

The previous prime is 122202011017. The next prime is 122202011033. The reversal of 122202011031 is 130110202221.

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 122202011031 - 2¹⁸ = 122201748887 is a prime.

It is a super-2 number, since 2×122202011031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122202011031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202011033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20367001836 + ... + 20367001841.

It is an arithmetic number, because the mean of its divisors is an integer number (40734003678).

Almost surely, 2^122202011031 is an apocalyptic number.

122202011031 is a deficient number, since it is larger than the sum of its proper divisors (40734003681).

122202011031 is an equidigital number, since it uses as much as digits as its factorization.

122202011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40734003680.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122202011031 its reverse (130110202221), we get a palindrome (252312213252).

The spelling of 122202011031 in words is "one hundred twenty-two billion, two hundred two million, eleven thousand, thirty-one".