121102101100200 has 192 divisors, whose sum is σ = 410209069849920. Its totient is φ = 29310502144000.

The previous prime is 121102101100153. The next prime is 121102101100243. The reversal of 121102101100200 is 2001101201121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10797171 + ... + 18941570.

It is an arithmetic number, because the mean of its divisors is an integer number (2136505572135).

Almost surely, 2^{121102101100200} is an apocalyptic number.

121102101100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102101100200 is an abundant number, since it is smaller than the sum of its proper divisors (289106968749720).

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

121102101100200 is a wasteful number, since it uses less digits than its factorization.

121102101100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29739388 (or 29739379 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121102101100200 its reverse (2001101201121), we get a palindrome (123103202301321).

The spelling of 121102101100200 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred one million, one hundred thousand, two hundred".