200210122201021 has 4 divisors (see below), whose sum is σ = 201328614504000. Its totient is φ = 199091629898044.

The previous prime is 200210122201013. The next prime is 200210122201031. The reversal of 200210122201021 is 120102221012002.

It is a happy number.

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 200210122201021 - 2³ = 200210122201013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200210122200986 and 200210122201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210122201031) 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, 559246151221 + ... + 559246151578.

It is an arithmetic number, because the mean of its divisors is an integer number (50332153626000).

Almost surely, 2^{200210122201021} is an apocalyptic number.

It is an amenable number.

200210122201021 is a deficient number, since it is larger than the sum of its proper divisors (1118492302979).

200210122201021 is a wasteful number, since it uses less digits than its factorization.

200210122201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118492302978.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200210122201021 its reverse (120102221012002), we get a palindrome (320312343213023).

The spelling of 200210122201021 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-two million, two hundred one thousand, twenty-one".