111426217031 has 8 divisors (see below), whose sum is σ = 111522983040. Its totient is φ = 111329495928.

The previous prime is 111426216989. The next prime is 111426217033. The reversal of 111426217031 is 130712624111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111426217031 is a prime.

It is a super-2 number, since 2×111426217031² (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 = 111426216985 and 111426217003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111426217033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6467030 + ... + 6484236.

It is an arithmetic number, because the mean of its divisors is an integer number (13940372880).

Almost surely, 2^111426217031 is an apocalyptic number.

111426217031 is a deficient number, since it is larger than the sum of its proper divisors (96766009).

111426217031 is a wasteful number, since it uses less digits than its factorization.

111426217031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22453.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 111426217031 in words is "one hundred eleven billion, four hundred twenty-six million, two hundred seventeen thousand, thirty-one".