1133223111 has 36 divisors (see below), whose sum is σ = 1795193712. Its totient is φ = 686445312.

The previous prime is 1133223103. The next prime is 1133223127. The reversal of 1133223111 is 1113223311.

It is not a de Polignac number, because 1133223111 - 2³ = 1133223103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133223911) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 124270 + ... + 133076.

It is an arithmetic number, because the mean of its divisors is an integer number (49866492).

Almost surely, 2^1133223111 is an apocalyptic number.

1133223111 is a deficient number, since it is larger than the sum of its proper divisors (661970601).

1133223111 is a wasteful number, since it uses less digits than its factorization.

1133223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888 (or 8856 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1133223111 is about 33663.3793758143. The cubic root of 1133223111 is about 1042.5698008920.

Adding to 1133223111 its reverse (1113223311), we get a palindrome (2246446422).

It can be divided in two parts, 11332 and 23111, that added together give a palindrome (34443).

The spelling of 1133223111 in words is "one billion, one hundred thirty-three million, two hundred twenty-three thousand, one hundred eleven".