112221403 has 16 divisors (see below), whose sum is σ = 137156544. Its totient is φ = 89625600.

The previous prime is 112221397. The next prime is 112221427. The reversal of 112221403 is 304122211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112221433) 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, 7351 + ... + 16687.

It is an arithmetic number, because the mean of its divisors is an integer number (8572284).

Almost surely, 2^112221403 is an apocalyptic number.

112221403 is a deficient number, since it is larger than the sum of its proper divisors (24935141).

112221403 is a wasteful number, since it uses less digits than its factorization.

112221403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 112221403 is about 10593.4603883717. The cubic root of 112221403 is about 482.3458703921.

Adding to 112221403 its reverse (304122211), we get a palindrome (416343614).

It can be divided in two parts, 11222 and 1403, that multiplied together give a triangular number (15744466 = T₅₆₁₁).

The spelling of 112221403 in words is "one hundred twelve million, two hundred twenty-one thousand, four hundred three".