202022121200189 has 2 divisors, whose sum is σ = 202022121200190. Its totient is φ = 202022121200188.

The previous prime is 202022121200177. The next prime is 202022121200227. The reversal of 202022121200189 is 981002121220202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153967348256164 + 48054772944025 = 12408358^2 + 6932155^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022121200189 - 2²⁰ = 202022120151613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202022121200089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101011060600094 + 101011060600095.

It is an arithmetic number, because the mean of its divisors is an integer number (101011060600095).

Almost surely, 2^{202022121200189} is an apocalyptic number.

It is an amenable number.

202022121200189 is a deficient number, since it is larger than the sum of its proper divisors (1).

202022121200189 is an equidigital number, since it uses as much as digits as its factorization.

202022121200189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 202022121200189 in words is "two hundred two trillion, twenty-two billion, one hundred twenty-one million, two hundred thousand, one hundred eighty-nine".