111223054 has 4 divisors (see below), whose sum is σ = 166834584. Its totient is φ = 55611526.

The previous prime is 111223031. The next prime is 111223109. The reversal of 111223054 is 450322111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450322111 = 89 ⋅5059799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805762 + ... + 27805765.

It is an arithmetic number, because the mean of its divisors is an integer number (41708646).

Almost surely, 2^111223054 is an apocalyptic number.

111223054 is a deficient number, since it is larger than the sum of its proper divisors (55611530).

111223054 is an equidigital number, since it uses as much as digits as its factorization.

111223054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55611529.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 111223054 is about 10546.2341146022. The cubic root of 111223054 is about 480.9112521635.

Adding to 111223054 its reverse (450322111), we get a palindrome (561545165).

The spelling of 111223054 in words is "one hundred eleven million, two hundred twenty-three thousand, fifty-four".