12020122110121 has 4 divisors (see below), whose sum is σ = 12025243596112. Its totient is φ = 12015000624132.

The previous prime is 12020122110119. The next prime is 12020122110137. The reversal of 12020122110121 is 12101122102021.

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 12020122110121 - 2¹ = 12020122110119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020122110095 and 12020122110104.

It is not an unprimeable number, because it can be changed into a prime (12020122110221) 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, 2560739475 + ... + 2560744168.

It is an arithmetic number, because the mean of its divisors is an integer number (3006310899028).

Almost surely, 2^{12020122110121} is an apocalyptic number.

It is an amenable number.

12020122110121 is a deficient number, since it is larger than the sum of its proper divisors (5121485991).

12020122110121 is an equidigital number, since it uses as much as digits as its factorization.

12020122110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121485990.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12020122110121 its reverse (12101122102021), we get a palindrome (24121244212142).

It can be divided in two parts, 1202012 and 2110121, that added together give a palindrome (3312133).

The spelling of 12020122110121 in words is "twelve trillion, twenty billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".