102002212120139 has 2 divisors, whose sum is σ = 102002212120140. Its totient is φ = 102002212120138.

The previous prime is 102002212120103. The next prime is 102002212120153. The reversal of 102002212120139 is 931021212200201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102002212120139 is a prime.

It is not a weakly prime, because it can be changed into another prime (102002212120169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001106060069 + 51001106060070.

It is an arithmetic number, because the mean of its divisors is an integer number (51001106060070).

Almost surely, 2^{102002212120139} is an apocalyptic number.

102002212120139 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002212120139 is an equidigital number, since it uses as much as digits as its factorization.

102002212120139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 102002212120139 in words is "one hundred two trillion, two billion, two hundred twelve million, one hundred twenty thousand, one hundred thirty-nine".