210021112200000 has 168 divisors, whose sum is σ = 694556621718624. Its totient is φ = 56005629760000.

The previous prime is 210021112199963. The next prime is 210021112200001. The reversal of 210021112200000 is 2211120012.

210021112200000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021112200001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174417594 + ... + 175617593.

It is an arithmetic number, because the mean of its divisors is an integer number (4134265605468).

Almost surely, 2^{210021112200000} is an apocalyptic number.

210021112200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210021112200000 is an abundant number, since it is smaller than the sum of its proper divisors (484535509518624).

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

210021112200000 is an frugal number, since it uses more digits than its factorization.

210021112200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350035227 (or 350035197 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210021112200000 its reverse (2211120012), we get a palindrome (210023323320012).

The spelling of 210021112200000 in words is "two hundred ten trillion, twenty-one billion, one hundred twelve million, two hundred thousand".