12011101121 has 8 divisors (see below), whose sum is σ = 12268333440. Its totient is φ = 11753938768.

The previous prime is 12011101111. The next prime is 12011101139. The reversal of 12011101121 is 12110111021.

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 12011101121 - 2⁶ = 12011101057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011101111) 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, 477815 + ... + 502323.

It is an arithmetic number, because the mean of its divisors is an integer number (1533541680).

Almost surely, 2^12011101121 is an apocalyptic number.

It is an amenable number.

12011101121 is a deficient number, since it is larger than the sum of its proper divisors (257232319).

12011101121 is a wasteful number, since it uses less digits than its factorization.

12011101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34983.

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

Adding to 12011101121 its reverse (12110111021), we get a palindrome (24121212142).

The spelling of 12011101121 in words is "twelve billion, eleven million, one hundred one thousand, one hundred twenty-one".