110001012120121 has 16 divisors (see below), whose sum is σ = 110164691223040. Its totient is φ = 109837499990400.

The previous prime is 110001012120029. The next prime is 110001012120133. The reversal of 110001012120121 is 121021210100011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110001012120121 - 2¹¹ = 110001012118073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110001012120191) 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, 11661292021 + ... + 11661301453.

It is an arithmetic number, because the mean of its divisors is an integer number (6885293201440).

Almost surely, 2^{110001012120121} is an apocalyptic number.

It is an amenable number.

110001012120121 is a deficient number, since it is larger than the sum of its proper divisors (163679102919).

110001012120121 is a wasteful number, since it uses less digits than its factorization.

110001012120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16576.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110001012120121 its reverse (121021210100011), we get a palindrome (231022222220132).

The spelling of 110001012120121 in words is "one hundred ten trillion, one billion, twelve million, one hundred twenty thousand, one hundred twenty-one".