210232312121100 has 288 divisors, whose sum is σ = 632329210729216. Its totient is φ = 53887839667200.

The previous prime is 210232312120979. The next prime is 210232312121101. The reversal of 210232312121100 is 1121213232012.

It is not an unprimeable number, because it can be changed into a prime (210232312121101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 882331182 + ... + 882569418.

Almost surely, 2^{210232312121100} is an apocalyptic number.

210232312121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210232312121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316164605364608).

210232312121100 is an abundant number, since it is smaller than the sum of its proper divisors (422096898608116).

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

210232312121100 is a wasteful number, since it uses less digits than its factorization.

210232312121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239385 (or 239378 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 210232312121100 its reverse (1121213232012), we get a palindrome (211353525353112).

The spelling of 210232312121100 in words is "two hundred ten trillion, two hundred thirty-two billion, three hundred twelve million, one hundred twenty-one thousand, one hundred".