200310200221021 has 4 divisors (see below), whose sum is σ = 218520218422944. Its totient is φ = 182100182019100.

The previous prime is 200310200221003. The next prime is 200310200221049. The reversal of 200310200221021 is 120122002013002.

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 200310200221021 - 2³³ = 200301610286429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200310200220986 and 200310200221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200310200221421) 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, 9105009100945 + ... + 9105009100966.

It is an arithmetic number, because the mean of its divisors is an integer number (54630054605736).

Almost surely, 2^{200310200221021} is an apocalyptic number.

It is an amenable number.

200310200221021 is a deficient number, since it is larger than the sum of its proper divisors (18210018201923).

200310200221021 is a wasteful number, since it uses less digits than its factorization.

200310200221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18210018201922.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200310200221021 its reverse (120122002013002), we get a palindrome (320432202234023).

The spelling of 200310200221021 in words is "two hundred trillion, three hundred ten billion, two hundred million, two hundred twenty-one thousand, twenty-one".