210100220221 has 8 divisors (see below), whose sum is σ = 210323729088. Its totient is φ = 209876808000.

The previous prime is 210100220207. The next prime is 210100220227. The reversal of 210100220221 is 122022001012.

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 not a de Polignac number, because 210100220221 - 2⁷ = 210100220093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100220227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4833816 + ... + 4877086.

It is an arithmetic number, because the mean of its divisors is an integer number (26290466136).

Almost surely, 2^210100220221 is an apocalyptic number.

It is an amenable number.

210100220221 is a deficient number, since it is larger than the sum of its proper divisors (223508867).

210100220221 is a wasteful number, since it uses less digits than its factorization.

210100220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48323.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210100220221 its reverse (122022001012), we get a palindrome (332122221233).

The spelling of 210100220221 in words is "two hundred ten billion, one hundred million, two hundred twenty thousand, two hundred twenty-one".