202000021112189 has 2 divisors, whose sum is σ = 202000021112190. Its totient is φ = 202000021112188.

The previous prime is 202000021112177. The next prime is 202000021112221. The reversal of 202000021112189 is 981211120000202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190399982102500 + 11600039009689 = 13798550^2 + 3405883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202000021112189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202000021112489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000010556094 + 101000010556095.

It is an arithmetic number, because the mean of its divisors is an integer number (101000010556095).

Almost surely, 2^{202000021112189} is an apocalyptic number.

It is an amenable number.

202000021112189 is a deficient number, since it is larger than the sum of its proper divisors (1).

202000021112189 is an equidigital number, since it uses as much as digits as its factorization.

202000021112189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 202000021112189 in words is "two hundred two trillion, twenty-one million, one hundred twelve thousand, one hundred eighty-nine".