121011122110120 has 64 divisors (see below), whose sum is σ = 297062572659840. Its totient is φ = 43998818784000.

The previous prime is 121011122110051. The next prime is 121011122110163. The reversal of 121011122110120 is 21011221110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011122110094 and 121011122110103.

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, 12619731 + ... + 20031970.

It is an arithmetic number, because the mean of its divisors is an integer number (4641602697810).

Almost surely, 2^{121011122110120} is an apocalyptic number.

121011122110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011122110120 is an abundant number, since it is smaller than the sum of its proper divisors (176051450549720).

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

121011122110120 is a wasteful number, since it uses less digits than its factorization.

121011122110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32660146 (or 32660142 counting only the distinct ones).

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

Adding to 121011122110120 its reverse (21011221110121), we get a palindrome (142022343220241).

Subtracting from 121011122110120 its reverse (21011221110121), we obtain a palindrome (99999900999999).

The spelling of 121011122110120 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty".