102203112139 has 2 divisors, whose sum is σ = 102203112140. Its totient is φ = 102203112138.

The previous prime is 102203112079. The next prime is 102203112149. The reversal of 102203112139 is 931211302201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102203112139 - 2¹¹ = 102203110091 is a prime.

It is a super-2 number, since 2×102203112139² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102203112149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101556069 + 51101556070.

It is an arithmetic number, because the mean of its divisors is an integer number (51101556070).

Almost surely, 2^102203112139 is an apocalyptic number.

102203112139 is a deficient number, since it is larger than the sum of its proper divisors (1).

102203112139 is an equidigital number, since it uses as much as digits as its factorization.

102203112139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 102203112139 in words is "one hundred two billion, two hundred three million, one hundred twelve thousand, one hundred thirty-nine".