202102122199 has 4 divisors (see below), whose sum is σ = 202104598960. Its totient is φ = 202099645440.

The previous prime is 202102122163. The next prime is 202102122221. The reversal of 202102122199 is 991221201202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202102122199 - 2¹⁹ = 202101597911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202102122199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102822199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111659 + ... + 1280620.

It is an arithmetic number, because the mean of its divisors is an integer number (50526149740).

Almost surely, 2^202102122199 is an apocalyptic number.

202102122199 is a deficient number, since it is larger than the sum of its proper divisors (2476761).

202102122199 is an equidigital number, since it uses as much as digits as its factorization.

202102122199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476760.

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

The spelling of 202102122199 in words is "two hundred two billion, one hundred two million, one hundred twenty-two thousand, one hundred ninety-nine".