111223223019 has 12 divisors (see below), whose sum is σ = 160659158400. Its totient is φ = 74147249904.

The previous prime is 111223223011. The next prime is 111223223029. The reversal of 111223223019 is 910322322111.

111223223019 is a `hidden beast` number, since 1 + 11 + 22 + 322 + 301 + 9 = 666.

It is not a de Polignac number, because 111223223019 - 2³ = 111223223011 is a prime.

It is a super-2 number, since 2×111223223019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111223222983 and 111223223001.

It is not an unprimeable number, because it can be changed into a prime (111223223011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460342 + ... + 659060.

It is an arithmetic number, because the mean of its divisors is an integer number (13388263200).

Almost surely, 2^111223223019 is an apocalyptic number.

111223223019 is a deficient number, since it is larger than the sum of its proper divisors (49435935381).

111223223019 is a wasteful number, since it uses less digits than its factorization.

111223223019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260914 (or 260911 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 111223223019 in words is "one hundred eleven billion, two hundred twenty-three million, two hundred twenty-three thousand, nineteen".