220122131 has 2 divisors, whose sum is σ = 220122132. Its totient is φ = 220122130.

The previous prime is 220122101. The next prime is 220122143. The reversal of 220122131 is 131221022.

It is a happy number.

220122131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220122131 is a prime.

It is a super-2 number, since 2×220122131² = 96907505111962322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (220122101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061065 + 110061066.

It is an arithmetic number, because the mean of its divisors is an integer number (110061066).

Almost surely, 2^220122131 is an apocalyptic number.

220122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122131 is an equidigital number, since it uses as much as digits as its factorization.

220122131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 220122131 is about 14836.5134381363. The cubic root of 220122131 is about 603.7927623680.

Adding to 220122131 its reverse (131221022), we get a palindrome (351343153).

The spelling of 220122131 in words is "two hundred twenty million, one hundred twenty-two thousand, one hundred thirty-one".