120111010139 has 2 divisors, whose sum is σ = 120111010140. Its totient is φ = 120111010138.

The previous prime is 120111010099. The next prime is 120111010213. The reversal of 120111010139 is 931010111021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120111010139 is a prime.

It is a super-2 number, since 2×120111010139² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120111010139.

It is not a weakly prime, because it can be changed into another prime (120111010339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055505069 + 60055505070.

It is an arithmetic number, because the mean of its divisors is an integer number (60055505070).

Almost surely, 2^120111010139 is an apocalyptic number.

120111010139 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111010139 is an equidigital number, since it uses as much as digits as its factorization.

120111010139 is an evil number, because the sum of its binary digits is even.

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

The spelling of 120111010139 in words is "one hundred twenty billion, one hundred eleven million, ten thousand, one hundred thirty-nine".