121110110120001 has 16 divisors (see below), whose sum is σ = 162642496262400. Its totient is φ = 80158903137168.

The previous prime is 121110110119993. The next prime is 121110110120011. The reversal of 121110110120001 is 100021011011121.

It is not a de Polignac number, because 121110110120001 - 2³ = 121110110119993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121110110120011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175591030 + ... + 176279408.

It is an arithmetic number, because the mean of its divisors is an integer number (10165156016400).

Almost surely, 2^{121110110120001} is an apocalyptic number.

It is an amenable number.

121110110120001 is a deficient number, since it is larger than the sum of its proper divisors (41532386142399).

121110110120001 is a wasteful number, since it uses less digits than its factorization.

121110110120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110428.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 121110110120001 its reverse (100021011011121), we get a palindrome (221131121131122).

The spelling of 121110110120001 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred ten million, one hundred twenty thousand, one".