12110220322121 has 8 divisors (see below), whose sum is σ = 12447422211840. Its totient is φ = 11775544289712.

The previous prime is 12110220321989. The next prime is 12110220322243. The reversal of 12110220322121 is 12122302201121.

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

It is not a de Polignac number, because 12110220322121 - 2²² = 12110216127817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110220322093 and 12110220322102.

It is not an unprimeable number, because it can be changed into a prime (12110220328121) 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, 631454606 + ... + 631473783.

It is an arithmetic number, because the mean of its divisors is an integer number (1555927776480).

Almost surely, 2^{12110220322121} is an apocalyptic number.

It is an amenable number.

12110220322121 is a deficient number, since it is larger than the sum of its proper divisors (337201889719).

12110220322121 is a wasteful number, since it uses less digits than its factorization.

12110220322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262928655.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12110220322121 its reverse (12122302201121), we get a palindrome (24232522523242).

The spelling of 12110220322121 in words is "twelve trillion, one hundred ten billion, two hundred twenty million, three hundred twenty-two thousand, one hundred twenty-one".