1132222111 has 4 divisors (see below), whose sum is σ = 1132520272. Its totient is φ = 1131923952.

The previous prime is 1132222087. The next prime is 1132222123. The reversal of 1132222111 is 1112222311.

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

It is a cyclic number.

It is not a de Polignac number, because 1132222111 - 2⁷ = 1132221983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132222171) 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, 143310 + ... + 151003.

It is an arithmetic number, because the mean of its divisors is an integer number (283130068).

Almost surely, 2^1132222111 is an apocalyptic number.

1132222111 is a deficient number, since it is larger than the sum of its proper divisors (298161).

1132222111 is an equidigital number, since it uses as much as digits as its factorization.

1132222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298160.

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

The square root of 1132222111 is about 33648.5083027465. The cubic root of 1132222111 is about 1042.2627357921.

Adding to 1132222111 its reverse (1112222311), we get a palindrome (2244444422).

It can be divided in two parts, 11322 and 22111, that added together give a palindrome (33433).

The spelling of 1132222111 in words is "one billion, one hundred thirty-two million, two hundred twenty-two thousand, one hundred eleven".