121122001110000 has 200 divisors, whose sum is σ = 426543240271104. Its totient is φ = 29362909280000.

The previous prime is 121122001109957. The next prime is 121122001110001. The reversal of 121122001110000 is 11100221121.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122001110001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183188184 + ... + 183848183.

Almost surely, 2^{121122001110000} is an apocalyptic number.

121122001110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121122001110000 is an abundant number, since it is smaller than the sum of its proper divisors (305421239161104).

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

121122001110000 is a wasteful number, since it uses less digits than its factorization.

121122001110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367036409 (or 367036388 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121122001110000 its reverse (11100221121), we get a palindrome (121133101331121).

The spelling of 121122001110000 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one million, one hundred ten thousand".