121121202200 has 48 divisors (see below), whose sum is σ = 298171909080. Its totient is φ = 45598568960.

The previous prime is 121121202193. The next prime is 121121202227. The reversal of 121121202200 is 2202121121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17808542 + ... + 17815341.

Almost surely, 2^121121202200 is an apocalyptic number.

121121202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121121202200 is an abundant number, since it is smaller than the sum of its proper divisors (177050706880).

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

121121202200 is a wasteful number, since it uses less digits than its factorization.

121121202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35623916 (or 35623907 counting only the distinct ones).

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

Adding to 121121202200 its reverse (2202121121), we get a palindrome (123323323321).

The spelling of 121121202200 in words is "one hundred twenty-one billion, one hundred twenty-one million, two hundred two thousand, two hundred".