12110121012001 has 4 divisors (see below), whose sum is σ = 12315377300400. Its totient is φ = 11904864723604.

The previous prime is 12110121011981. The next prime is 12110121012137. The reversal of 12110121012001 is 10021012101121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12110121012001 - 2⁷ = 12110121011873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110121012601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102628144111 + ... + 102628144228.

It is an arithmetic number, because the mean of its divisors is an integer number (3078844325100).

Almost surely, 2^{12110121012001} is an apocalyptic number.

It is an amenable number.

12110121012001 is a deficient number, since it is larger than the sum of its proper divisors (205256288399).

12110121012001 is an equidigital number, since it uses as much as digits as its factorization.

12110121012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205256288398.

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

Adding to 12110121012001 its reverse (10021012101121), we get a palindrome (22131133113122).

The spelling of 12110121012001 in words is "twelve trillion, one hundred ten billion, one hundred twenty-one million, twelve thousand, one".