200122100989 has 2 divisors, whose sum is σ = 200122100990. Its totient is φ = 200122100988.

The previous prime is 200122100911. The next prime is 200122101017. The reversal of 200122100989 is 989001221002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200106812889 + 15288100 = 447333^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 200122100989 - 2³¹ = 197974617341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200122107989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061050494 + 100061050495.

It is an arithmetic number, because the mean of its divisors is an integer number (100061050495).

Almost surely, 2^200122100989 is an apocalyptic number.

It is an amenable number.

200122100989 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122100989 is an equidigital number, since it uses as much as digits as its factorization.

200122100989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 200122100989 in words is "two hundred billion, one hundred twenty-two million, one hundred thousand, nine hundred eighty-nine".