111320402 has 4 divisors (see below), whose sum is σ = 166980606. Its totient is φ = 55660200.

The previous prime is 111320381. The next prime is 111320423. The reversal of 111320402 is 204023111.

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

It is an interprime number because it is at equal distance from previous prime (111320381) and next prime (111320423).

It can be written as a sum of positive squares in only one way, i.e., 100620961 + 10699441 = 10031^2 + 3271^2 .

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, 27830099 + ... + 27830102.

Almost surely, 2^111320402 is an apocalyptic number.

111320402 is a deficient number, since it is larger than the sum of its proper divisors (55660204).

111320402 is an equidigital number, since it uses as much as digits as its factorization.

111320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55660203.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111320402 is about 10550.8484019059. The cubic root of 111320402 is about 481.0515171386.

Adding to 111320402 its reverse (204023111), we get a palindrome (315343513).

The spelling of 111320402 in words is "one hundred eleven million, three hundred twenty thousand, four hundred two".