12111103051121 has 4 divisors (see below), whose sum is σ = 12191309031744. Its totient is φ = 12030897070500.

The previous prime is 12111103051037. The next prime is 12111103051153. The reversal of 12111103051121 is 12115030111121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111103051121 is a prime.

It is a super-2 number, since 2×12111103051121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12111103051093 and 12111103051102.

It is not an unprimeable number, because it can be changed into a prime (12111103056121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40102990085 + ... + 40102990386.

It is an arithmetic number, because the mean of its divisors is an integer number (3047827257936).

Almost surely, 2^{12111103051121} is an apocalyptic number.

It is an amenable number.

12111103051121 is a deficient number, since it is larger than the sum of its proper divisors (80205980623).

12111103051121 is an equidigital number, since it uses as much as digits as its factorization.

12111103051121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80205980622.

The product of its (nonzero) digits is 60, while the sum is 20.

Adding to 12111103051121 its reverse (12115030111121), we get a palindrome (24226133162242).

The spelling of 12111103051121 in words is "twelve trillion, one hundred eleven billion, one hundred three million, fifty-one thousand, one hundred twenty-one".