12013110021111 has 8 divisors (see below), whose sum is σ = 16182608688624. Its totient is φ = 7926175683840.

The previous prime is 12013110021097. The next prime is 12013110021191. The reversal of 12013110021111 is 11112001131021.

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

It is not a de Polignac number, because 12013110021111 - 2⁷ = 12013110020983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013110021191) 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, 20641082220 + ... + 20641082801.

It is an arithmetic number, because the mean of its divisors is an integer number (2022826086078).

Almost surely, 2^{12013110021111} is an apocalyptic number.

12013110021111 is a deficient number, since it is larger than the sum of its proper divisors (4169498667513).

12013110021111 is an equidigital number, since it uses as much as digits as its factorization.

12013110021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41282165121.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 12013110021111 its reverse (11112001131021), we get a palindrome (23125111152132).

The spelling of 12013110021111 in words is "twelve trillion, thirteen billion, one hundred ten million, twenty-one thousand, one hundred eleven".