12020110221121 has 8 divisors (see below), whose sum is σ = 13089049243200. Its totient is φ = 10994801363280.

The previous prime is 12020110221103. The next prime is 12020110221131. The reversal of 12020110221121 is 12112201102021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020110221121 - 2⁵ = 12020110221089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020110221095 and 12020110221104.

It is not an unprimeable number, because it can be changed into a prime (12020110221131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10907540485 + ... + 10907541586.

It is an arithmetic number, because the mean of its divisors is an integer number (1636131155400).

Almost surely, 2^{12020110221121} is an apocalyptic number.

It is an amenable number.

12020110221121 is a deficient number, since it is larger than the sum of its proper divisors (1068939022079).

12020110221121 is a wasteful number, since it uses less digits than its factorization.

12020110221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21815082119.

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

Adding to 12020110221121 its reverse (12112201102021), we get a palindrome (24132311323142).

The spelling of 12020110221121 in words is "twelve trillion, twenty billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".