111382841 has 4 divisors (see below), whose sum is σ = 111518352. Its totient is φ = 111247332.

The previous prime is 111382837. The next prime is 111382853. The reversal of 111382841 is 148283111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111382841 - 2² = 111382837 is a prime.

It is a super-2 number, since 2×111382841² = 24812274538462562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111382801) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 66515 + ... + 68168.

It is an arithmetic number, because the mean of its divisors is an integer number (27879588).

Almost surely, 2^111382841 is an apocalyptic number.

It is an amenable number.

111382841 is a deficient number, since it is larger than the sum of its proper divisors (135511).

111382841 is an equidigital number, since it uses as much as digits as its factorization.

111382841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135510.

The product of its digits is 1536, while the sum is 29.

The square root of 111382841 is about 10553.8069434683. The cubic root of 111382841 is about 481.1414400433.

It can be divided in two parts, 11 and 1382841, that multiplied together give a palindrome (15211251).

The spelling of 111382841 in words is "one hundred eleven million, three hundred eighty-two thousand, eight hundred forty-one".