100121112200 has 48 divisors (see below), whose sum is σ = 233395962000. Its totient is φ = 39942745920.

The previous prime is 100121112193. The next prime is 100121112271. The reversal of 100121112200 is 2211121001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584630 + ... + 736229.

It is an arithmetic number, because the mean of its divisors is an integer number (4862415875).

Almost surely, 2^100121112200 is an apocalyptic number.

100121112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100121112200 is an abundant number, since it is smaller than the sum of its proper divisors (133274849800).

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

100121112200 is a wasteful number, since it uses less digits than its factorization.

100121112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321254 (or 1321245 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100121112200 its reverse (2211121001), we get a palindrome (102332233201).

The spelling of 100121112200 in words is "one hundred billion, one hundred twenty-one million, one hundred twelve thousand, two hundred".