210022200112021 has 32 divisors (see below), whose sum is σ = 250963515129600. Its totient is φ = 173497663073280.

The previous prime is 210022200112013. The next prime is 210022200112073. The reversal of 210022200112021 is 120211002220012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210022200112021 - 2³ = 210022200112013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210022200111986 and 210022200112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022206112021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248292835 + ... + 249137263.

It is an arithmetic number, because the mean of its divisors is an integer number (7842609847800).

Almost surely, 2^{210022200112021} is an apocalyptic number.

It is an amenable number.

210022200112021 is a deficient number, since it is larger than the sum of its proper divisors (40941315017579).

210022200112021 is a wasteful number, since it uses less digits than its factorization.

210022200112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890349.

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

Adding to 210022200112021 its reverse (120211002220012), we get a palindrome (330233202332033).

The spelling of 210022200112021 in words is "two hundred ten trillion, twenty-two billion, two hundred million, one hundred twelve thousand, twenty-one".