112221533 has 4 divisors (see below), whose sum is σ = 112353948. Its totient is φ = 112089120.

The previous prime is 112221509. The next prime is 112221541. The reversal of 112221533 is 335122211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335122211 = 83 ⋅4037617.

It can be written as a sum of positive squares in 2 ways, for example, as 34128964 + 78092569 = 5842^2 + 8837^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221533 - 2¹⁰ = 112220509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64928 + ... + 66633.

It is an arithmetic number, because the mean of its divisors is an integer number (28088487).

Almost surely, 2^112221533 is an apocalyptic number.

It is an amenable number.

112221533 is a deficient number, since it is larger than the sum of its proper divisors (132415).

112221533 is an equidigital number, since it uses as much as digits as its factorization.

112221533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132414.

The product of its digits is 360, while the sum is 20.

The square root of 112221533 is about 10593.4665242309. The cubic root of 112221533 is about 482.3460566458.

Adding to 112221533 its reverse (335122211), we get a palindrome (447343744).

The spelling of 112221533 in words is "one hundred twelve million, two hundred twenty-one thousand, five hundred thirty-three".