102120012220139 has 2 divisors, whose sum is σ = 102120012220140. Its totient is φ = 102120012220138.

The previous prime is 102120012219937. The next prime is 102120012220229. The reversal of 102120012220139 is 931022210021201.

It is a strong prime.

It is an emirp because it is prime and its reverse (931022210021201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102120012220139 is a prime.

It is a super-3 number, since 3×102120012220139³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102120012222139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060006110069 + 51060006110070.

It is an arithmetic number, because the mean of its divisors is an integer number (51060006110070).

Almost surely, 2^{102120012220139} is an apocalyptic number.

102120012220139 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120012220139 is an equidigital number, since it uses as much as digits as its factorization.

102120012220139 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 102120012220139 in words is "one hundred two trillion, one hundred twenty billion, twelve million, two hundred twenty thousand, one hundred thirty-nine".