220122109939 has 2 divisors, whose sum is σ = 220122109940. Its totient is φ = 220122109938.

The previous prime is 220122109927. The next prime is 220122109957. The reversal of 220122109939 is 939901221022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220122109939 is a prime.

It is not a weakly prime, because it can be changed into another prime (220122109979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061054969 + 110061054970.

It is an arithmetic number, because the mean of its divisors is an integer number (110061054970).

Almost surely, 2^220122109939 is an apocalyptic number.

220122109939 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122109939 is an equidigital number, since it uses as much as digits as its factorization.

220122109939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 220122109939 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred nine thousand, nine hundred thirty-nine".