202021100122099 has 2 divisors, whose sum is σ = 202021100122100. Its totient is φ = 202021100122098.

The previous prime is 202021100122091. The next prime is 202021100122103. The reversal of 202021100122099 is 990221001120202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202021100122099 - 2³ = 202021100122091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202021100122099.

It is not a weakly prime, because it can be changed into another prime (202021100122091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010550061049 + 101010550061050.

It is an arithmetic number, because the mean of its divisors is an integer number (101010550061050).

Almost surely, 2^{202021100122099} is an apocalyptic number.

202021100122099 is a deficient number, since it is larger than the sum of its proper divisors (1).

202021100122099 is an equidigital number, since it uses as much as digits as its factorization.

202021100122099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 202021100122099 in words is "two hundred two trillion, twenty-one billion, one hundred million, one hundred twenty-two thousand, ninety-nine".