111222123 has 8 divisors (see below), whose sum is σ = 151745088. Its totient is φ = 72423624.

The previous prime is 111222119. The next prime is 111222127. The reversal of 111222123 is 321222111.

It is an interprime number because it is at equal distance from previous prime (111222119) and next prime (111222127).

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

It is not a de Polignac number, because 111222123 - 2² = 111222119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111222127) 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, 430965 + ... + 431222.

It is an arithmetic number, because the mean of its divisors is an integer number (18968136).

Almost surely, 2^111222123 is an apocalyptic number.

111222123 is a deficient number, since it is larger than the sum of its proper divisors (40522965).

111222123 is an equidigital number, since it uses as much as digits as its factorization.

111222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862233.

The product of its digits is 48, while the sum is 15.

The square root of 111222123 is about 10546.1899755314. The cubic root of 111222123 is about 480.9099103265.

Adding to 111222123 its reverse (321222111), we get a palindrome (432444234).

The spelling of 111222123 in words is "one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-three".