12110011121 has 8 divisors (see below), whose sum is σ = 13043474304. Its totient is φ = 11176822800.

The previous prime is 12110011097. The next prime is 12110011157. The reversal of 12110011121 is 12111001121.

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

It is not a de Polignac number, because 12110011121 - 2²² = 12105816817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110011621) 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, 27830 + ... + 158096.

It is an arithmetic number, because the mean of its divisors is an integer number (1630434288).

Almost surely, 2^12110011121 is an apocalyptic number.

It is an amenable number.

12110011121 is a deficient number, since it is larger than the sum of its proper divisors (933463183).

12110011121 is a wasteful number, since it uses less digits than its factorization.

12110011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137431.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12110011121 its reverse (12111001121), we get a palindrome (24221012242).

The spelling of 12110011121 in words is "twelve billion, one hundred ten million, eleven thousand, one hundred twenty-one".