1112310221 has 16 divisors (see below), whose sum is σ = 1285865280. Its totient is φ = 950926080.

The previous prime is 1112310209. The next prime is 1112310223. The reversal of 1112310221 is 1220132111.

It is a cyclic number.

It is not a de Polignac number, because 1112310221 - 2²² = 1108115917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1112310196 and 1112310205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112310223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416990 + ... + 419648.

It is an arithmetic number, because the mean of its divisors is an integer number (80366580).

Almost surely, 2^1112310221 is an apocalyptic number.

1112310221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112310221 is a deficient number, since it is larger than the sum of its proper divisors (173555059).

1112310221 is a wasteful number, since it uses less digits than its factorization.

1112310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1112310221 is about 33351.3151314907. The cubic root of 1112310221 is about 1036.1166260207.

Adding to 1112310221 its reverse (1220132111), we get a palindrome (2332442332).

The spelling of 1112310221 in words is "one billion, one hundred twelve million, three hundred ten thousand, two hundred twenty-one".