122110111139 has 2 divisors, whose sum is σ = 122110111140. Its totient is φ = 122110111138.

The previous prime is 122110111127. The next prime is 122110111147. The reversal of 122110111139 is 931111011221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122110111139 is a prime.

It is not a weakly prime, because it can be changed into another prime (122110111199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055055569 + 61055055570.

It is an arithmetic number, because the mean of its divisors is an integer number (61055055570).

Almost surely, 2^122110111139 is an apocalyptic number.

122110111139 is a deficient number, since it is larger than the sum of its proper divisors (1).

122110111139 is an equidigital number, since it uses as much as digits as its factorization.

122110111139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 122110111139 in words is "one hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, one hundred thirty-nine".