202002012110989 has 2 divisors, whose sum is σ = 202002012110990. Its totient is φ = 202002012110988.

The previous prime is 202002012110933. The next prime is 202002012111013. The reversal of 202002012110989 is 989011210200202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103331900952900 + 98670111158089 = 10165230^2 + 9933283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202002012110989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202002012110909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101001006055494 + 101001006055495.

It is an arithmetic number, because the mean of its divisors is an integer number (101001006055495).

Almost surely, 2^{202002012110989} is an apocalyptic number.

It is an amenable number.

202002012110989 is a deficient number, since it is larger than the sum of its proper divisors (1).

202002012110989 is an equidigital number, since it uses as much as digits as its factorization.

202002012110989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 202002012110989 in words is "two hundred two trillion, two billion, twelve million, one hundred ten thousand, nine hundred eighty-nine".