111001200201999 has 40 divisors (see below), whose sum is σ = 166358671137120. Its totient is φ = 73759185045504.

The previous prime is 111001200201961. The next prime is 111001200202019. The reversal of 111001200201999 is 999102002100111.

It is not a de Polignac number, because 111001200201999 - 2²¹ = 111001198104847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001200201919) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38941422 + ... + 41694564.

It is an arithmetic number, because the mean of its divisors is an integer number (4158966778428).

Almost surely, 2^{111001200201999} is an apocalyptic number.

111001200201999 is a deficient number, since it is larger than the sum of its proper divisors (55357470935121).

111001200201999 is a wasteful number, since it uses less digits than its factorization.

111001200201999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754781 (or 2754772 counting only the distinct ones).

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

The spelling of 111001200201999 in words is "one hundred eleven trillion, one billion, two hundred million, two hundred one thousand, nine hundred ninety-nine".