12110122212121 has 8 divisors (see below), whose sum is σ = 12145158033984. Its totient is φ = 12075087174480.

The previous prime is 12110122212079. The next prime is 12110122212137. The reversal of 12110122212121 is 12121222101121.

It is a happy number.

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 12110122212121 - 2²⁹ = 12109585341209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110122212151) 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, 47402236 + ... + 47657026.

It is an arithmetic number, because the mean of its divisors is an integer number (1518144754248).

Almost surely, 2^{12110122212121} is an apocalyptic number.

It is an amenable number.

12110122212121 is a deficient number, since it is larger than the sum of its proper divisors (35035821863).

12110122212121 is a wasteful number, since it uses less digits than its factorization.

12110122212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392111.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12110122212121 its reverse (12121222101121), we get a palindrome (24231344313242).

The spelling of 12110122212121 in words is "twelve trillion, one hundred ten billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-one".