221111314 has 4 divisors (see below), whose sum is σ = 331666974. Its totient is φ = 110555656.

The previous prime is 221111309. The next prime is 221111329. The reversal of 221111314 is 413111122.

221111314 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 202578289 + 18533025 = 14233^2 + 4305^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55277827 + ... + 55277830.

Almost surely, 2^221111314 is an apocalyptic number.

221111314 is a deficient number, since it is larger than the sum of its proper divisors (110555660).

221111314 is a wasteful number, since it uses less digits than its factorization.

221111314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110555659.

The product of its digits is 48, while the sum is 16.

The square root of 221111314 is about 14869.8121709724. The cubic root of 221111314 is about 604.6958505823.

Adding to 221111314 its reverse (413111122), we get a palindrome (634222436).

The spelling of 221111314 in words is "two hundred twenty-one million, one hundred eleven thousand, three hundred fourteen".