121222422200 has 96 divisors (see below), whose sum is σ = 310005850320. Its totient is φ = 44080784000.

The previous prime is 121222422199. The next prime is 121222422241. The reversal of 121222422200 is 2224222121.

121222422200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38510 + ... + 493890.

Almost surely, 2^121222422200 is an apocalyptic number.

121222422200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121222422200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155002925160).

121222422200 is an abundant number, since it is smaller than the sum of its proper divisors (188783428120).

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

121222422200 is a wasteful number, since it uses less digits than its factorization.

121222422200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455430 (or 455399 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 121222422200 its reverse (2224222121), we get a palindrome (123446644321).

The spelling of 121222422200 in words is "one hundred twenty-one billion, two hundred twenty-two million, four hundred twenty-two thousand, two hundred".