111421226 has 16 divisors (see below), whose sum is σ = 191498496. Its totient is φ = 47629296.

The previous prime is 111421183. The next prime is 111421243. The reversal of 111421226 is 622124111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111421198 and 111421207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4466 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (11968656).

Almost surely, 2^111421226 is an apocalyptic number.

111421226 is a deficient number, since it is larger than the sum of its proper divisors (80077270).

111421226 is a wasteful number, since it uses less digits than its factorization.

111421226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20453.

The product of its digits is 192, while the sum is 20.

The square root of 111421226 is about 10555.6253249156. The cubic root of 111421226 is about 481.1967043696.

Adding to 111421226 its reverse (622124111), we get a palindrome (733545337).

The spelling of 111421226 in words is "one hundred eleven million, four hundred twenty-one thousand, two hundred twenty-six".