12110121221011 has 8 divisors (see below), whose sum is σ = 13339303870464. Its totient is φ = 10902315661320.

The previous prime is 12110121220997. The next prime is 12110121221021. The reversal of 12110121221011 is 11012212101121.

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-12110121221011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12110121221021) 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, 5344271251 + ... + 5344273516.

It is an arithmetic number, because the mean of its divisors is an integer number (1667412983808).

Almost surely, 2^{12110121221011} is an apocalyptic number.

12110121221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12110121221011 is a deficient number, since it is larger than the sum of its proper divisors (1229182649453).

12110121221011 is a wasteful number, since it uses less digits than its factorization.

12110121221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10688544881.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12110121221011 its reverse (11012212101121), we get a palindrome (23122333322132).

The spelling of 12110121221011 in words is "twelve trillion, one hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, eleven".