12010111110021 has 8 divisors (see below), whose sum is σ = 16064971775424. Its totient is φ = 7980995592320.

The previous prime is 12010111110017. The next prime is 12010111110037. The reversal of 12010111110021 is 12001111101021.

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 12010111110021 - 2² = 12010111110017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010111109979 and 12010111110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010111110421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6436285836 + ... + 6436287701.

It is an arithmetic number, because the mean of its divisors is an integer number (2008121471928).

Almost surely, 2^{12010111110021} is an apocalyptic number.

It is an amenable number.

12010111110021 is a deficient number, since it is larger than the sum of its proper divisors (4054860665403).

12010111110021 is a wasteful number, since it uses less digits than its factorization.

12010111110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872573851.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12010111110021 its reverse (12001111101021), we get a palindrome (24011222211042).

The spelling of 12010111110021 in words is "twelve trillion, ten billion, one hundred eleven million, one hundred ten thousand, twenty-one".