11133022011 has 4 divisors (see below), whose sum is σ = 14844029352. Its totient is φ = 7422014672.

The previous prime is 11133022003. The next prime is 11133022037. The reversal of 11133022011 is 11022033111.

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: 11022033111 = 3 ⋅3674011037.

It is a cyclic number.

It is not a de Polignac number, because 11133022011 - 2³ = 11133022003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11133022091) 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, 1855503666 + ... + 1855503671.

It is an arithmetic number, because the mean of its divisors is an integer number (3711007338).

Almost surely, 2^11133022011 is an apocalyptic number.

11133022011 is a deficient number, since it is larger than the sum of its proper divisors (3711007341).

11133022011 is an equidigital number, since it uses as much as digits as its factorization.

11133022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711007340.

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

Adding to 11133022011 its reverse (11022033111), we get a palindrome (22155055122).

The spelling of 11133022011 in words is "eleven billion, one hundred thirty-three million, twenty-two thousand, eleven".