2111320124099 has 2 divisors, whose sum is σ = 2111320124100. Its totient is φ = 2111320124098.

The previous prime is 2111320124077. The next prime is 2111320124107. The reversal of 2111320124099 is 9904210231112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111320124099 - 2²⁴ = 2111303346883 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111320124009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055660062049 + 1055660062050.

It is an arithmetic number, because the mean of its divisors is an integer number (1055660062050).

Almost surely, 2^{2111320124099} is an apocalyptic number.

2111320124099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111320124099 is an equidigital number, since it uses as much as digits as its factorization.

2111320124099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 2111320124099 in words is "two trillion, one hundred eleven billion, three hundred twenty million, one hundred twenty-four thousand, ninety-nine".