121121022300 has 36 divisors (see below), whose sum is σ = 350443492056. Its totient is φ = 32298939200.

The previous prime is 121121022259. The next prime is 121121022313. The reversal of 121121022300 is 3220121121.

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 121121022300.

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, 201868071 + ... + 201868670.

It is an arithmetic number, because the mean of its divisors is an integer number (9734541446).

Almost surely, 2^121121022300 is an apocalyptic number.

121121022300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121121022300 is an abundant number, since it is smaller than the sum of its proper divisors (229322469756).

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

121121022300 is a wasteful number, since it uses less digits than its factorization.

121121022300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403736758 (or 403736751 counting only the distinct ones).

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

Adding to 121121022300 its reverse (3220121121), we get a palindrome (124341143421).

The spelling of 121121022300 in words is "one hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand, three hundred".