2111332019939 has 2 divisors, whose sum is σ = 2111332019940. Its totient is φ = 2111332019938.

The previous prime is 2111332019897. The next prime is 2111332020019. The reversal of 2111332019939 is 9399102331112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111332019939 - 2²⁰ = 2111330971363 is a prime.

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 2111332019939.

It is not a weakly prime, because it can be changed into another prime (2111332079939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055666009969 + 1055666009970.

It is an arithmetic number, because the mean of its divisors is an integer number (1055666009970).

Almost surely, 2^{2111332019939} is an apocalyptic number.

2111332019939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111332019939 is an equidigital number, since it uses as much as digits as its factorization.

2111332019939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 2111332019939 in words is "two trillion, one hundred eleven billion, three hundred thirty-two million, nineteen thousand, nine hundred thirty-nine".