210021121200110 has 32 divisors (see below), whose sum is σ = 426625976613600. Its totient is φ = 73737823116160.

The previous prime is 210021121200101. The next prime is 210021121200131. The reversal of 210021121200110 is 11002121120012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32918667845 + ... + 32918674224.

It is an arithmetic number, because the mean of its divisors is an integer number (13332061769175).

Almost surely, 2^{210021121200110} is an apocalyptic number.

210021121200110 is an abundant number, since it is smaller than the sum of its proper divisors (216604855413490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210021121200110 is a wasteful number, since it uses less digits than its factorization.

210021121200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65837342116.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210021121200110 its reverse (11002121120012), we get a palindrome (221023242320122).

The spelling of 210021121200110 in words is "two hundred ten trillion, twenty-one billion, one hundred twenty-one million, two hundred thousand, one hundred ten".