1110112221 has 32 divisors (see below), whose sum is σ = 1626582400. Its totient is φ = 670913280.

The previous prime is 1110112163. The next prime is 1110112229. The reversal of 1110112221 is 1222110111.

It is not a de Polignac number, because 1110112221 - 2⁷ = 1110112093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110112197 and 1110112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110112229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124335 + ... + 132963.

It is an arithmetic number, because the mean of its divisors is an integer number (50830700).

Almost surely, 2^1110112221 is an apocalyptic number.

It is an amenable number.

1110112221 is a deficient number, since it is larger than the sum of its proper divisors (516470179).

1110112221 is a wasteful number, since it uses less digits than its factorization.

1110112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8749.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1110112221 is about 33318.3466126397. The cubic root of 1110112221 is about 1035.4336972123.

Adding to 1110112221 its reverse (1222110111), we get a palindrome (2332222332).

The spelling of 1110112221 in words is "one billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-one".