12101110201999 has 16 divisors (see below), whose sum is σ = 14893803731520. Its totient is φ = 9574421437440.

The previous prime is 12101110201967. The next prime is 12101110202021. The reversal of 12101110201999 is 99910201110121.

It is a cyclic number.

It is not a de Polignac number, because 12101110201999 - 2⁵ = 12101110201967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101110201699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11255967 + ... + 12284095.

It is an arithmetic number, because the mean of its divisors is an integer number (930862733220).

Almost surely, 2^{12101110201999} is an apocalyptic number.

12101110201999 is a deficient number, since it is larger than the sum of its proper divisors (2792693529521).

12101110201999 is a wasteful number, since it uses less digits than its factorization.

12101110201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157490.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 12101110201999 in words is "twelve trillion, one hundred one billion, one hundred ten million, two hundred one thousand, nine hundred ninety-nine".