200210121199973 has 2 divisors, whose sum is σ = 200210121199974. Its totient is φ = 200210121199972.

The previous prime is 200210121199969. The next prime is 200210121200041. The reversal of 200210121199973 is 379991121012002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182940719211364 + 17269401988609 = 13525558^2 + 4155647^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210121199973 - 2² = 200210121199969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200210121199903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105060599986 + 100105060599987.

It is an arithmetic number, because the mean of its divisors is an integer number (100105060599987).

Almost surely, 2^{200210121199973} is an apocalyptic number.

It is an amenable number.

200210121199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210121199973 is an equidigital number, since it uses as much as digits as its factorization.

200210121199973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 200210121199973 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-one million, one hundred ninety-nine thousand, nine hundred seventy-three".