220032122131 has 4 divisors (see below), whose sum is σ = 220612682200. Its totient is φ = 219451562064.

The previous prime is 220032122113. The next prime is 220032122147. The reversal of 220032122131 is 131221230022.

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 220032122131 - 2⁵ = 220032122099 is a prime.

It is a super-2 number, since 2×220032122131² (a number of 23 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 = 220032122099 and 220032122108.

It is not an unprimeable number, because it can be changed into a prime (220032120131) 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, 290279466 + ... + 290280223.

It is an arithmetic number, because the mean of its divisors is an integer number (55153170550).

Almost surely, 2^220032122131 is an apocalyptic number.

220032122131 is a deficient number, since it is larger than the sum of its proper divisors (580560069).

220032122131 is an equidigital number, since it uses as much as digits as its factorization.

220032122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580560068.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220032122131 its reverse (131221230022), we get a palindrome (351253352153).

The spelling of 220032122131 in words is "two hundred twenty billion, thirty-two million, one hundred twenty-two thousand, one hundred thirty-one".