12020111099 has 2 divisors, whose sum is σ = 12020111100. Its totient is φ = 12020111098.

The previous prime is 12020111039. The next prime is 12020111107. The reversal of 12020111099 is 99011102021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12020111099 - 2²⁸ = 11751675643 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020111009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010055549 + 6010055550.

It is an arithmetic number, because the mean of its divisors is an integer number (6010055550).

Almost surely, 2^12020111099 is an apocalyptic number.

12020111099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020111099 is an equidigital number, since it uses as much as digits as its factorization.

12020111099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 12020111099 in words is "twelve billion, twenty million, one hundred eleven thousand, ninety-nine".