200211001999973 has 2 divisors, whose sum is σ = 200211001999974. Its totient is φ = 200211001999972.

The previous prime is 200211001999919. The next prime is 200211002000003. The reversal of 200211001999973 is 379999100112002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138067153039204 + 62143848960769 = 11750198^2 + 7883137^2 .

It is a cyclic number.

It is not a de Polignac number, because 200211001999973 - 2¹² = 200211001995877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200211001992973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105500999986 + 100105500999987.

It is an arithmetic number, because the mean of its divisors is an integer number (100105500999987).

Almost surely, 2^{200211001999973} is an apocalyptic number.

It is an amenable number.

200211001999973 is a deficient number, since it is larger than the sum of its proper divisors (1).

200211001999973 is an equidigital number, since it uses as much as digits as its factorization.

200211001999973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 53.

The spelling of 200211001999973 in words is "two hundred trillion, two hundred eleven billion, one million, nine hundred ninety-nine thousand, nine hundred seventy-three".