121100331200 has 42 divisors (see below), whose sum is σ = 297982506396. Its totient is φ = 48440131840.

The previous prime is 121100331161. The next prime is 121100331251. The reversal of 121100331200 is 2133001121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37842254 + ... + 37845453.

Almost surely, 2^121100331200 is an apocalyptic number.

121100331200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121100331200 is an abundant number, since it is smaller than the sum of its proper divisors (176882175196).

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

121100331200 is an equidigital number, since it uses as much as digits as its factorization.

121100331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75687729 (or 75687714 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121100331200 its reverse (2133001121), we get a palindrome (123233332321).

The spelling of 121100331200 in words is "one hundred twenty-one billion, one hundred million, three hundred thirty-one thousand, two hundred".