111921314 has 4 divisors (see below), whose sum is σ = 167881974. Its totient is φ = 55960656.

The previous prime is 111921301. The next prime is 111921331. The reversal of 111921314 is 413129111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413129111 = 97 ⋅4259063.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 935089 = 10535^2 + 967^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111921314.

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, 27980327 + ... + 27980330.

Almost surely, 2^111921314 is an apocalyptic number.

111921314 is a deficient number, since it is larger than the sum of its proper divisors (55960660).

111921314 is an equidigital number, since it uses as much as digits as its factorization.

111921314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55960659.

The product of its digits is 216, while the sum is 23.

The square root of 111921314 is about 10579.2870270165. The cubic root of 111921314 is about 481.9155427854.

The spelling of 111921314 in words is "one hundred eleven million, nine hundred twenty-one thousand, three hundred fourteen".