200210121010813 has 2 divisors, whose sum is σ = 200210121010814. Its totient is φ = 200210121010812.

The previous prime is 200210121010807. The next prime is 200210121010871. The reversal of 200210121010813 is 318010121012002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199920992192964 + 289128817849 = 14139342^2 + 537707^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210121010813 - 2³⁷ = 200072682057341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200210121010213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105060505406 + 100105060505407.

It is an arithmetic number, because the mean of its divisors is an integer number (100105060505407).

Almost surely, 2^{200210121010813} is an apocalyptic number.

It is an amenable number.

200210121010813 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210121010813 is an equidigital number, since it uses as much as digits as its factorization.

200210121010813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 200210121010813 its reverse (318010121012002), we get a palindrome (518220242022815).

The spelling of 200210121010813 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-one million, ten thousand, eight hundred thirteen".