210112201021100 has 72 divisors (see below), whose sum is σ = 521119345914720. Its totient is φ = 72032788638720.

The previous prime is 210112201021069. The next prime is 210112201021109. The reversal of 210112201021100 is 1120102211012.

It is a super-2 number, since 2×210112201021100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (210112201021109) 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, 2945279 + ... + 20709878.

It is an arithmetic number, because the mean of its divisors is an integer number (7237768693260).

Almost surely, 2^{210112201021100} is an apocalyptic number.

210112201021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210112201021100 is an abundant number, since it is smaller than the sum of its proper divisors (311007144893620).

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

210112201021100 is a wasteful number, since it uses less digits than its factorization.

210112201021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23667867 (or 23667860 counting only the distinct ones).

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

Adding to 210112201021100 its reverse (1120102211012), we get a palindrome (211232303232112).

The spelling of 210112201021100 in words is "two hundred ten trillion, one hundred twelve billion, two hundred one million, twenty-one thousand, one hundred".