121110101221120 has 144 divisors (see below), whose sum is σ = 316478049592320. Its totient is φ = 44038770790400.

The previous prime is 121110101221103. The next prime is 121110101221211. The reversal of 121110101221120 is 21122101011121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121110101221094 and 121110101221103.

It is a congruent number.

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, 589553625 + ... + 589759015.

It is an arithmetic number, because the mean of its divisors is an integer number (2197764233280).

Almost surely, 2^{121110101221120} is an apocalyptic number.

121110101221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121110101221120 is an abundant number, since it is smaller than the sum of its proper divisors (195367948371200).

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

121110101221120 is a wasteful number, since it uses less digits than its factorization.

121110101221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247302 (or 247288 counting only the distinct ones).

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

Adding to 121110101221120 its reverse (21122101011121), we get a palindrome (142232202232241).

The spelling of 121110101221120 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty".