111213347 has 8 divisors (see below), whose sum is σ = 131484000. Its totient is φ = 92038464.

The previous prime is 111213343. The next prime is 111213359. The reversal of 111213347 is 743312111.

It is a happy number.

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

It is not a de Polignac number, because 111213347 - 2² = 111213343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111213343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273722 + ... + 274127.

It is an arithmetic number, because the mean of its divisors is an integer number (16435500).

Almost surely, 2^111213347 is an apocalyptic number.

111213347 is a deficient number, since it is larger than the sum of its proper divisors (20270653).

111213347 is an equidigital number, since it uses as much as digits as its factorization.

111213347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547885.

The product of its digits is 504, while the sum is 23.

The square root of 111213347 is about 10545.7738928919. The cubic root of 111213347 is about 480.8972612351.

Adding to 111213347 its reverse (743312111), we get a palindrome (854525458).

The spelling of 111213347 in words is "one hundred eleven million, two hundred thirteen thousand, three hundred forty-seven".