20012100202099 has 2 divisors, whose sum is σ = 20012100202100. Its totient is φ = 20012100202098.

The previous prime is 20012100202063. The next prime is 20012100202163. The reversal of 20012100202099 is 99020200121002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20012100202099 - 2⁷ = 20012100201971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012100202009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006050101049 + 10006050101050.

It is an arithmetic number, because the mean of its divisors is an integer number (10006050101050).

Almost surely, 2^{20012100202099} is an apocalyptic number.

20012100202099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012100202099 is an equidigital number, since it uses as much as digits as its factorization.

20012100202099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 20012100202099 in words is "twenty trillion, twelve billion, one hundred million, two hundred two thousand, ninety-nine".