12110021021999 has 8 divisors (see below), whose sum is σ = 12119155461120. Its totient is φ = 12100887462456.

The previous prime is 12110021021953. The next prime is 12110021022041. The reversal of 12110021021999 is 99912012001121.

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 12110021021999 - 2⁸ = 12110021021743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110021021899) 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, 28761854 + ... + 29179860.

It is an arithmetic number, because the mean of its divisors is an integer number (1514894432640).

Almost surely, 2^{12110021021999} is an apocalyptic number.

12110021021999 is a deficient number, since it is larger than the sum of its proper divisors (9134439121).

12110021021999 is a wasteful number, since it uses less digits than its factorization.

12110021021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439789.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 12110021021999 in words is "twelve trillion, one hundred ten billion, twenty-one million, twenty-one thousand, nine hundred ninety-nine".