111021122039 has 2 divisors, whose sum is σ = 111021122040. Its totient is φ = 111021122038.

The previous prime is 111021122033. The next prime is 111021122059. The reversal of 111021122039 is 930221120111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111021122039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111021122033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510561019 + 55510561020.

It is an arithmetic number, because the mean of its divisors is an integer number (55510561020).

Almost surely, 2^111021122039 is an apocalyptic number.

111021122039 is a deficient number, since it is larger than the sum of its proper divisors (1).

111021122039 is an equidigital number, since it uses as much as digits as its factorization.

111021122039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 111021122039 in words is "one hundred eleven billion, twenty-one million, one hundred twenty-two thousand, thirty-nine".