111010001009999 has 8 divisors (see below), whose sum is σ = 136627693550880. Its totient is φ = 87832088711136.

The previous prime is 111010001009993. The next prime is 111010001010031. The reversal of 111010001009999 is 999900100010111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111010001009999 - 2⁴ = 111010001009983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010001009993) 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, 609945060404 + ... + 609945060585.

It is an arithmetic number, because the mean of its divisors is an integer number (17078461693860).

Almost surely, 2^{111010001009999} is an apocalyptic number.

111010001009999 is a deficient number, since it is larger than the sum of its proper divisors (25617692540881).

111010001009999 is a wasteful number, since it uses less digits than its factorization.

111010001009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219890121009.

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 111010001009999 in words is "one hundred eleven trillion, ten billion, one million, nine thousand, nine hundred ninety-nine".