102212210220139 has 2 divisors, whose sum is σ = 102212210220140. Its totient is φ = 102212210220138.

The previous prime is 102212210220119. The next prime is 102212210220151. The reversal of 102212210220139 is 931022012212201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102212210220139 - 2⁹ = 102212210219627 is a prime.

It is not a weakly prime, because it can be changed into another prime (102212210220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106105110069 + 51106105110070.

It is an arithmetic number, because the mean of its divisors is an integer number (51106105110070).

Almost surely, 2^{102212210220139} is an apocalyptic number.

102212210220139 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212210220139 is an equidigital number, since it uses as much as digits as its factorization.

102212210220139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 102212210220139 in words is "one hundred two trillion, two hundred twelve billion, two hundred ten million, two hundred twenty thousand, one hundred thirty-nine".