2123111300039 has 2 divisors, whose sum is σ = 2123111300040. Its totient is φ = 2123111300038.

The previous prime is 2123111300029. The next prime is 2123111300117. The reversal of 2123111300039 is 9300031113212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123111300039 - 2⁸ = 2123111299783 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123111299990 and 2123111300017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123111300029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061555650019 + 1061555650020.

It is an arithmetic number, because the mean of its divisors is an integer number (1061555650020).

Almost surely, 2^{2123111300039} is an apocalyptic number.

2123111300039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123111300039 is an equidigital number, since it uses as much as digits as its factorization.

2123111300039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 2123111300039 in words is "two trillion, one hundred twenty-three billion, one hundred eleven million, three hundred thousand, thirty-nine".