121100201102200 has 24 divisors (see below), whose sum is σ = 281557967563080. Its totient is φ = 48440080440800.

The previous prime is 121100201102191. The next prime is 121100201102269. The reversal of 121100201102200 is 2201102001121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302750502556 + ... + 302750502955.

It is an arithmetic number, because the mean of its divisors is an integer number (11731581981795).

Almost surely, 2^{121100201102200} is an apocalyptic number.

121100201102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121100201102200 is an abundant number, since it is smaller than the sum of its proper divisors (160457766460880).

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

121100201102200 is a wasteful number, since it uses less digits than its factorization.

121100201102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605501005527 (or 605501005518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121100201102200 its reverse (2201102001121), we get a palindrome (123301303103321).

The spelling of 121100201102200 in words is "one hundred twenty-one trillion, one hundred billion, two hundred one million, one hundred two thousand, two hundred".