1200100111039 has 2 divisors, whose sum is σ = 1200100111040. Its totient is φ = 1200100111038.

The previous prime is 1200100111019. The next prime is 1200100111127. The reversal of 1200100111039 is 9301110010021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200100111039 - 2²¹ = 1200098013887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200100111019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600050055519 + 600050055520.

It is an arithmetic number, because the mean of its divisors is an integer number (600050055520).

Almost surely, 2^{1200100111039} is an apocalyptic number.

1200100111039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200100111039 is an equidigital number, since it uses as much as digits as its factorization.

1200100111039 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 19.

The spelling of 1200100111039 in words is "one trillion, two hundred billion, one hundred million, one hundred eleven thousand, thirty-nine".