221112363 has 16 divisors (see below), whose sum is σ = 309609216. Its totient is φ = 140094240.

The previous prime is 221112361. The next prime is 221112377. The reversal of 221112363 is 363211122.

It is not a de Polignac number, because 221112363 - 2¹ = 221112361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221112361) 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, 628 + ... + 21038.

It is an arithmetic number, because the mean of its divisors is an integer number (19350576).

Almost surely, 2^221112363 is an apocalyptic number.

221112363 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221112363 is a deficient number, since it is larger than the sum of its proper divisors (88496853).

221112363 is a wasteful number, since it uses less digits than its factorization.

221112363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20594.

The product of its digits is 432, while the sum is 21.

The square root of 221112363 is about 14869.8474437366. The cubic root of 221112363 is about 604.6968068502.

Adding to 221112363 its reverse (363211122), we get a palindrome (584323485).

The spelling of 221112363 in words is "two hundred twenty-one million, one hundred twelve thousand, three hundred sixty-three".