1133122111 has 16 divisors (see below), whose sum is σ = 1268593920. Its totient is φ = 1003201920.

The previous prime is 1133122079. The next prime is 1133122127. The reversal of 1133122111 is 1112213311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1133122111 - 2⁵ = 1133122079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133122411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166471 + ... + 173143.

It is an arithmetic number, because the mean of its divisors is an integer number (79287120).

Almost surely, 2^1133122111 is an apocalyptic number.

1133122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1133122111 is a deficient number, since it is larger than the sum of its proper divisors (135471809).

1133122111 is a wasteful number, since it uses less digits than its factorization.

1133122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086.

The product of its digits is 36, while the sum is 16.

The square root of 1133122111 is about 33661.8791959094. The cubic root of 1133122111 is about 1042.5388265036.

Adding to 1133122111 its reverse (1112213311), we get a palindrome (2245335422).

The spelling of 1133122111 in words is "one billion, one hundred thirty-three million, one hundred twenty-two thousand, one hundred eleven".