111120199999999 has 4 divisors (see below), whose sum is σ = 111434988102336. Its totient is φ = 110805411897664.

The previous prime is 111120199999969. The next prime is 111120200000021. The reversal of 111120199999999 is 999999991021111.

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 111120199999999 - 2¹³ = 111120199991807 is a prime.

It is a Duffinian number.

111120199999999 is a modest number, since divided by 99999999 gives 1111201 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120199999969) 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, 157394050639 + ... + 157394051344.

It is an arithmetic number, because the mean of its divisors is an integer number (27858747025584).

Almost surely, 2^{111120199999999} is an apocalyptic number.

111120199999999 is a deficient number, since it is larger than the sum of its proper divisors (314788102337).

111120199999999 is an equidigital number, since it uses as much as digits as its factorization.

111120199999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314788102336.

The product of its (nonzero) digits is 86093442, while the sum is 79.

The spelling of 111120199999999 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".