120111100139 has 2 divisors, whose sum is σ = 120111100140. Its totient is φ = 120111100138.

The previous prime is 120111100121. The next prime is 120111100141. The reversal of 120111100139 is 931001111021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120111100139 - 2³² = 115816132843 is a prime.

Together with 120111100141, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120111100139.

It is not a weakly prime, because it can be changed into another prime (120111100199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055550069 + 60055550070.

It is an arithmetic number, because the mean of its divisors is an integer number (60055550070).

Almost surely, 2^120111100139 is an apocalyptic number.

120111100139 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111100139 is an equidigital number, since it uses as much as digits as its factorization.

120111100139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 120111100139 in words is "one hundred twenty billion, one hundred eleven million, one hundred thousand, one hundred thirty-nine".