1133223021 has 32 divisors (see below), whose sum is σ = 1920307200. Its totient is φ = 647008560.

The previous prime is 1133222957. The next prime is 1133223029. The reversal of 1133223021 is 1203223311.

1133223021 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1133223021 - 2⁶ = 1133222957 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1133222985 and 1133223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133223029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353536 + ... + 356726.

It is an arithmetic number, because the mean of its divisors is an integer number (60009600).

Almost surely, 2^1133223021 is an apocalyptic number.

It is an amenable number.

1133223021 is a deficient number, since it is larger than the sum of its proper divisors (787084179).

1133223021 is a wasteful number, since it uses less digits than its factorization.

1133223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086 (or 5080 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1133223021 is about 33663.3780390501. The cubic root of 1133223021 is about 1042.5697732919.

Adding to 1133223021 its reverse (1203223311), we get a palindrome (2336446332).

The spelling of 1133223021 in words is "one billion, one hundred thirty-three million, two hundred twenty-three thousand, twenty-one".