200210999879021 has 2 divisors, whose sum is σ = 200210999879022. Its totient is φ = 200210999879020.

The previous prime is 200210999878993. The next prime is 200210999879029. The reversal of 200210999879021 is 120978999012002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142366061475625 + 57844938403396 = 11931725^2 + 7605586^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210999879021 - 2²⁶ = 200210932770157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200210999879029) 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, 100105499939510 + 100105499939511.

It is an arithmetic number, because the mean of its divisors is an integer number (100105499939511).

Almost surely, 2^{200210999879021} is an apocalyptic number.

It is an amenable number.

200210999879021 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210999879021 is an equidigital number, since it uses as much as digits as its factorization.

200210999879021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 59.

The spelling of 200210999879021 in words is "two hundred trillion, two hundred ten billion, nine hundred ninety-nine million, eight hundred seventy-nine thousand, twenty-one".