121011882200 has 72 divisors (see below), whose sum is σ = 309255427740. Its totient is φ = 44004312000.

The previous prime is 121011882181. The next prime is 121011882239. The reversal of 121011882200 is 2288110121.

It is a self number, because there is not a number n which added to its sum of digits gives 121011882200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2476046 + ... + 2524445.

Almost surely, 2^121011882200 is an apocalyptic number.

121011882200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011882200 is an abundant number, since it is smaller than the sum of its proper divisors (188243545540).

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

121011882200 is a wasteful number, since it uses less digits than its factorization.

121011882200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000529 (or 5000509 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 121011882200 its reverse (2288110121), we get a palindrome (123299992321).

The spelling of 121011882200 in words is "one hundred twenty-one billion, eleven million, eight hundred eighty-two thousand, two hundred".