211122220120139 has 2 divisors, whose sum is σ = 211122220120140. Its totient is φ = 211122220120138.

The previous prime is 211122220120117. The next prime is 211122220120157. The reversal of 211122220120139 is 931021022221112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211122220120139 is a prime.

It is not a weakly prime, because it can be changed into another prime (211122240120139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561110060069 + 105561110060070.

It is an arithmetic number, because the mean of its divisors is an integer number (105561110060070).

Almost surely, 2^{211122220120139} is an apocalyptic number.

211122220120139 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122220120139 is an equidigital number, since it uses as much as digits as its factorization.

211122220120139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 211122220120139 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, one hundred thirty-nine".