122211210139 has 2 divisors, whose sum is σ = 122211210140. Its totient is φ = 122211210138.

The previous prime is 122211210119. The next prime is 122211210211. The reversal of 122211210139 is 931012112221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122211210139 - 2¹⁹ = 122210685851 is a prime.

It is not a weakly prime, because it can be changed into another prime (122211210119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105605069 + 61105605070.

It is an arithmetic number, because the mean of its divisors is an integer number (61105605070).

Almost surely, 2^122211210139 is an apocalyptic number.

122211210139 is a deficient number, since it is larger than the sum of its proper divisors (1).

122211210139 is an equidigital number, since it uses as much as digits as its factorization.

122211210139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 122211210139 in words is "one hundred twenty-two billion, two hundred eleven million, two hundred ten thousand, one hundred thirty-nine".