112211331 has 4 divisors (see below), whose sum is σ = 149615112. Its totient is φ = 74807552.

The previous prime is 112211327. The next prime is 112211347. The reversal of 112211331 is 133112211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133112211 = 3 ⋅44370737.

It is a cyclic number.

It is not a de Polignac number, because 112211331 - 2² = 112211327 is a prime.

It is a super-2 number, since 2×112211331² = 25182765609583122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112211331.

It is not an unprimeable number, because it can be changed into a prime (112211531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18701886 + ... + 18701891.

It is an arithmetic number, because the mean of its divisors is an integer number (37403778).

Almost surely, 2^112211331 is an apocalyptic number.

112211331 is a deficient number, since it is larger than the sum of its proper divisors (37403781).

112211331 is an equidigital number, since it uses as much as digits as its factorization.

112211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37403780.

The product of its digits is 36, while the sum is 15.

The square root of 112211331 is about 10592.9849900772. The cubic root of 112211331 is about 482.3314395949.

Adding to 112211331 its reverse (133112211), we get a palindrome (245323542).

The spelling of 112211331 in words is "one hundred twelve million, two hundred eleven thousand, three hundred thirty-one".