121022331120000 has 640 divisors, whose sum is σ = 446464372543200. Its totient is φ = 32263418880000.

The previous prime is 121022331119969. The next prime is 121022331120013. The reversal of 121022331120000 is 21133220121.

121022331120000 is a `hidden beast` number, since 1 + 210 + 2 + 2 + 331 + 120 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11225514610 + ... + 11225525390.

Almost surely, 2^{121022331120000} is an apocalyptic number.

121022331120000 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 121022331120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223232186271600).

121022331120000 is an abundant number, since it is smaller than the sum of its proper divisors (325442041423200).

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

121022331120000 is an equidigital number, since it uses as much as digits as its factorization.

121022331120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021 (or 15988 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121022331120000 its reverse (21133220121), we get a palindrome (121043464340121).

The spelling of 121022331120000 in words is "one hundred twenty-one trillion, twenty-two billion, three hundred thirty-one million, one hundred twenty thousand".