121022102100200 has 96 divisors (see below), whose sum is σ = 321683266012800. Its totient is φ = 41479066103040.

The previous prime is 121022102100187. The next prime is 121022102100209. The reversal of 121022102100200 is 2001201220121.

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 (121022102100209) 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, 10733540 + ... + 18901139.

It is an arithmetic number, because the mean of its divisors is an integer number (3350867354300).

Almost surely, 2^{121022102100200} is an apocalyptic number.

121022102100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022102100200 is an abundant number, since it is smaller than the sum of its proper divisors (200661163912600).

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

121022102100200 is a wasteful number, since it uses less digits than its factorization.

121022102100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29637619 (or 29637610 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121022102100200 its reverse (2001201220121), we get a palindrome (123023303320321).

The spelling of 121022102100200 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred two million, one hundred thousand, two hundred".