111220010019 has 6 divisors (see below), whose sum is σ = 160651125596. Its totient is φ = 74146673340.

The previous prime is 111220010017. The next prime is 111220010113. The reversal of 111220010019 is 910010022111.

It is a happy number.

It is not a de Polignac number, because 111220010019 - 2¹ = 111220010017 is a prime.

It is a super-2 number, since 2×111220010019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111220009983 and 111220010010.

It is not an unprimeable number, because it can be changed into a prime (111220010017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6178889437 + ... + 6178889454.

Almost surely, 2^111220010019 is an apocalyptic number.

111220010019 is a deficient number, since it is larger than the sum of its proper divisors (49431115577).

111220010019 is a wasteful number, since it uses less digits than its factorization.

111220010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357778897 (or 12357778894 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 111220010019 in words is "one hundred eleven billion, two hundred twenty million, ten thousand, nineteen".