1020011200139 has 2 divisors, whose sum is σ = 1020011200140. Its totient is φ = 1020011200138.

The previous prime is 1020011200079. The next prime is 1020011200163. The reversal of 1020011200139 is 9310021100201.

It is a strong prime.

It is an emirp because it is prime and its reverse (9310021100201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020011200139 is a prime.

It is a super-2 number, since 2×1020011200139² (a number of 25 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 1020011200139.

It is not a weakly prime, because it can be changed into another prime (1020011200339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510005600069 + 510005600070.

It is an arithmetic number, because the mean of its divisors is an integer number (510005600070).

Almost surely, 2^{1020011200139} is an apocalyptic number.

1020011200139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020011200139 is an equidigital number, since it uses as much as digits as its factorization.

1020011200139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 1020011200139 in words is "one trillion, twenty billion, eleven million, two hundred thousand, one hundred thirty-nine".