12101120100999 has 12 divisors (see below), whose sum is σ = 17951811801976. Its totient is φ = 7849375200432.

The previous prime is 12101120100997. The next prime is 12101120101019. The reversal of 12101120100999 is 99900102110121.

It is not a de Polignac number, because 12101120100999 - 2¹ = 12101120100997 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 (12101120100991) 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 11 ways as a sum of consecutive naturals, for example, 18169849669 + ... + 18169850334.

Almost surely, 2^{12101120100999} is an apocalyptic number.

12101120100999 is a deficient number, since it is larger than the sum of its proper divisors (5850691700977).

12101120100999 is a wasteful number, since it uses less digits than its factorization.

12101120100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36339700046 (or 36339700043 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 36.

The spelling of 12101120100999 in words is "twelve trillion, one hundred one billion, one hundred twenty million, one hundred thousand, nine hundred ninety-nine".