111000010109999 has 4 divisors (see below), whose sum is σ = 111000081165120. Its totient is φ = 110999939054880.

The previous prime is 111000010109971. The next prime is 111000010110091. The reversal of 111000010109999 is 999901010000111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111000010109999 - 2⁸ = 111000010109743 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 (111000010109929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33130394 + ... + 36326615.

It is an arithmetic number, because the mean of its divisors is an integer number (27750020291280).

Almost surely, 2^{111000010109999} is an apocalyptic number.

111000010109999 is a deficient number, since it is larger than the sum of its proper divisors (71055121).

111000010109999 is an equidigital number, since it uses as much as digits as its factorization.

111000010109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71055120.

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

The spelling of 111000010109999 in words is "one hundred eleven trillion, ten million, one hundred nine thousand, nine hundred ninety-nine".