111110120019 has 12 divisors (see below), whose sum is σ = 160495364016. Its totient is φ = 74072043312.

The previous prime is 111110120003. The next prime is 111110120039. The reversal of 111110120019 is 910021011111.

It is not a de Polignac number, because 111110120019 - 2⁴ = 111110120003 is a prime.

It is a super-2 number, since 2×111110120019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111110119983 and 111110120010.

It is not an unprimeable number, because it can be changed into a prime (111110120039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721042 + ... + 861464.

It is an arithmetic number, because the mean of its divisors is an integer number (13374613668).

Almost surely, 2^111110120019 is an apocalyptic number.

111110120019 is a deficient number, since it is larger than the sum of its proper divisors (49385243997).

111110120019 is a wasteful number, since it uses less digits than its factorization.

111110120019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228346 (or 228343 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

The spelling of 111110120019 in words is "one hundred eleven billion, one hundred ten million, one hundred twenty thousand, nineteen".