121011322200 has 96 divisors (see below), whose sum is σ = 375285355200. Its totient is φ = 32256760960.

The previous prime is 121011322193. The next prime is 121011322277. The reversal of 121011322200 is 2223110121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121011322200.

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 23 ways as a sum of consecutive naturals, for example, 1508299 + ... + 1586501.

It is an arithmetic number, because the mean of its divisors is an integer number (3909222450).

Almost surely, 2^121011322200 is an apocalyptic number.

121011322200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011322200 is an abundant number, since it is smaller than the sum of its proper divisors (254274033000).

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

121011322200 is a wasteful number, since it uses less digits than its factorization.

121011322200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80801 (or 80792 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121011322200 its reverse (2223110121), we get a palindrome (123234432321).

It can be divided in two parts, 121011 and 322200, that added together give a triangular number (443211 = T₉₄₁).

The spelling of 121011322200 in words is "one hundred twenty-one billion, eleven million, three hundred twenty-two thousand, two hundred".