121000111110200 has 96 divisors (see below), whose sum is σ = 329356400153760. Its totient is φ = 40473904742400.

The previous prime is 121000111110169. The next prime is 121000111110247. The reversal of 121000111110200 is 2011111000121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053950537 + ... + 1054065336.

It is an arithmetic number, because the mean of its divisors is an integer number (3430795834935).

Almost surely, 2^{121000111110200} is an apocalyptic number.

121000111110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121000111110200 is an abundant number, since it is smaller than the sum of its proper divisors (208356289043560).

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

121000111110200 is a wasteful number, since it uses less digits than its factorization.

121000111110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108015937 (or 2108015928 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121000111110200 its reverse (2011111000121), we get a palindrome (123011222110321).

The spelling of 121000111110200 in words is "one hundred twenty-one trillion, one hundred eleven million, one hundred ten thousand, two hundred".