111222340407 has 8 divisors (see below), whose sum is σ = 164773837680. Its totient is φ = 74148226920.

The previous prime is 111222340379. The next prime is 111222340409. The reversal of 111222340407 is 704043222111.

111222340407 is a `hidden beast` number, since 1 + 1 + 1 + 22 + 234 + 0 + 407 = 666.

It is not a de Polignac number, because 111222340407 - 2⁶ = 111222340343 is a prime.

It is a super-2 number, since 2×111222340407² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4119345941 = 111222340407 / (1 + 1 + 1 + 2 + 2 + 2 + 3 + 4 + 0 + 4 + 0 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222340409) 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 7 ways as a sum of consecutive naturals, for example, 2059672944 + ... + 2059672997.

It is an arithmetic number, because the mean of its divisors is an integer number (20596729710).

Almost surely, 2^111222340407 is an apocalyptic number.

111222340407 is a deficient number, since it is larger than the sum of its proper divisors (53551497273).

111222340407 is an equidigital number, since it uses as much as digits as its factorization.

111222340407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119345950 (or 4119345944 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 111222340407 its reverse (704043222111), we get a palindrome (815265562518).

The spelling of 111222340407 in words is "one hundred eleven billion, two hundred twenty-two million, three hundred forty thousand, four hundred seven".