202110220010221 has 8 divisors (see below), whose sum is σ = 202280691600000. Its totient is φ = 201939810861360.

The previous prime is 202110220010191. The next prime is 202110220010227. The reversal of 202110220010221 is 122010022011202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202110220010221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202110220010195 and 202110220010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110220010227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9132721 + ... + 22082278.

It is an arithmetic number, because the mean of its divisors is an integer number (25285086450000).

Almost surely, 2^{202110220010221} is an apocalyptic number.

It is an amenable number.

202110220010221 is a deficient number, since it is larger than the sum of its proper divisors (170471589779).

202110220010221 is a wasteful number, since it uses less digits than its factorization.

202110220010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31220459.

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

Adding to 202110220010221 its reverse (122010022011202), we get a palindrome (324120242021423).

The spelling of 202110220010221 in words is "two hundred two trillion, one hundred ten billion, two hundred twenty million, ten thousand, two hundred twenty-one".