20110102210139 has 2 divisors, whose sum is σ = 20110102210140. Its totient is φ = 20110102210138.

The previous prime is 20110102210097. The next prime is 20110102210141. The reversal of 20110102210139 is 93101220101102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20110102210139 - 2²⁴ = 20110085432923 is a prime.

Together with 20110102210141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20110102210189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055051105069 + 10055051105070.

It is an arithmetic number, because the mean of its divisors is an integer number (10055051105070).

Almost surely, 2^{20110102210139} is an apocalyptic number.

20110102210139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110102210139 is an equidigital number, since it uses as much as digits as its factorization.

20110102210139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 20110102210139 in words is "twenty trillion, one hundred ten billion, one hundred two million, two hundred ten thousand, one hundred thirty-nine".