210112211220139 has 2 divisors, whose sum is σ = 210112211220140. Its totient is φ = 210112211220138.

The previous prime is 210112211220029. The next prime is 210112211220259. The reversal of 210112211220139 is 931022112211012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210112211220139 - 2²¹ = 210112209122987 is a prime.

It is not a weakly prime, because it can be changed into another prime (210112211221139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056105610069 + 105056105610070.

It is an arithmetic number, because the mean of its divisors is an integer number (105056105610070).

Almost surely, 2^{210112211220139} is an apocalyptic number.

210112211220139 is a deficient number, since it is larger than the sum of its proper divisors (1).

210112211220139 is an equidigital number, since it uses as much as digits as its factorization.

210112211220139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 210112211220139 in words is "two hundred ten trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty thousand, one hundred thirty-nine".