111101020009999 has 32 divisors (see below), whose sum is σ = 112517203680000. Its totient is φ = 109695717331200.

The previous prime is 111101020009981. The next prime is 111101020010023. The reversal of 111101020009999 is 999900020101111.

It is a cyclic number.

It is not a de Polignac number, because 111101020009999 - 2⁷ = 111101020009871 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 (111101020009909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43586118777 + ... + 43586121325.

It is an arithmetic number, because the mean of its divisors is an integer number (3516162615000).

Almost surely, 2^{111101020009999} is an apocalyptic number.

111101020009999 is a deficient number, since it is larger than the sum of its proper divisors (1416183670001).

111101020009999 is a wasteful number, since it uses less digits than its factorization.

111101020009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999.

The product of its (nonzero) digits is 13122, while the sum is 43.

The spelling of 111101020009999 in words is "one hundred eleven trillion, one hundred one billion, twenty million, nine thousand, nine hundred ninety-nine".