1133122011 has 12 divisors (see below), whose sum is σ = 1757495592. Its totient is φ = 647498208.

The previous prime is 1133122009. The next prime is 1133122021. The reversal of 1133122011 is 1102213311.

It is a happy number.

It is not a de Polignac number, because 1133122011 - 2¹ = 1133122009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133122021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3854010 + ... + 3854303.

It is an arithmetic number, because the mean of its divisors is an integer number (146457966).

Almost surely, 2^1133122011 is an apocalyptic number.

1133122011 is a deficient number, since it is larger than the sum of its proper divisors (624373581).

1133122011 is an equidigital number, since it uses as much as digits as its factorization.

1133122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708330 (or 7708323 counting only the distinct ones).

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

The square root of 1133122011 is about 33661.8777105497. The cubic root of 1133122011 is about 1042.5387958349.

Adding to 1133122011 its reverse (1102213311), we get a palindrome (2235335322).

The spelling of 1133122011 in words is "one billion, one hundred thirty-three million, one hundred twenty-two thousand, eleven".