200210222122021 has 4 divisors (see below), whose sum is σ = 204470014082112. Its totient is φ = 195950430161932.

The previous prime is 200210222121971. The next prime is 200210222122033. The reversal of 200210222122021 is 120221222012002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200210222122021 - 2⁹ = 200210222121509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200210222122021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210222122921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129895979975 + ... + 2129895980068.

It is an arithmetic number, because the mean of its divisors is an integer number (51117503520528).

Almost surely, 2^{200210222122021} is an apocalyptic number.

It is an amenable number.

200210222122021 is a deficient number, since it is larger than the sum of its proper divisors (4259791960091).

200210222122021 is an equidigital number, since it uses as much as digits as its factorization.

200210222122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259791960090.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 200210222122021 its reverse (120221222012002), we get a palindrome (320431444134023).

The spelling of 200210222122021 in words is "two hundred trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-two thousand, twenty-one".