121102021011120 has 80 divisors (see below), whose sum is σ = 378372298813440. Its totient is φ = 32039589802752.

The previous prime is 121102021010977. The next prime is 121102021011187. The reversal of 121102021011120 is 21110120201121.

It is a happy number.

121102021011120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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 121102021011120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986551230 + ... + 1986612189.

It is an arithmetic number, because the mean of its divisors is an integer number (4729653735168).

Almost surely, 2^{121102021011120} is an apocalyptic number.

121102021011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102021011120 is an abundant number, since it is smaller than the sum of its proper divisors (257270277802320).

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

121102021011120 is a wasteful number, since it uses less digits than its factorization.

121102021011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973163562 (or 3973163556 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121102021011120 its reverse (21110120201121), we get a palindrome (142212141212241).

The spelling of 121102021011120 in words is "one hundred twenty-one trillion, one hundred two billion, twenty-one million, eleven thousand, one hundred twenty".