12110020121 has 8 divisors (see below), whose sum is σ = 12140133504. Its totient is φ = 12079942560.

The previous prime is 12110020093. The next prime is 12110020163. The reversal of 12110020121 is 12102001121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12110020121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110025121) 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, 744740 + ... + 760826.

It is an arithmetic number, because the mean of its divisors is an integer number (1517516688).

Almost surely, 2^12110020121 is an apocalyptic number.

It is an amenable number.

12110020121 is a deficient number, since it is larger than the sum of its proper divisors (30113383).

12110020121 is a wasteful number, since it uses less digits than its factorization.

12110020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17911.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12110020121 its reverse (12102001121), we get a palindrome (24212021242).

The spelling of 12110020121 in words is "twelve billion, one hundred ten million, twenty thousand, one hundred twenty-one".