1133322021 has 24 divisors (see below), whose sum is σ = 1770304536. Its totient is φ = 694517760.

The previous prime is 1133322011. The next prime is 1133322023. The reversal of 1133322021 is 1202233311.

It can be written as a sum of positive squares in 4 ways, for example, as 37380996 + 1095941025 = 6114^2 + 33105^2 .

It is not a de Polignac number, because 1133322021 - 2⁶ = 1133321957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133321985 and 1133322003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133322023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8101 + ... + 48293.

It is an arithmetic number, because the mean of its divisors is an integer number (73762689).

Almost surely, 2^1133322021 is an apocalyptic number.

It is an amenable number.

1133322021 is a deficient number, since it is larger than the sum of its proper divisors (636982515).

1133322021 is a wasteful number, since it uses less digits than its factorization.

1133322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40453 (or 40450 counting only the distinct ones).

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

The square root of 1133322021 is about 33664.8484476018. The cubic root of 1133322021 is about 1042.6001325416.

Adding to 1133322021 its reverse (1202233311), we get a palindrome (2335555332).

The spelling of 1133322021 in words is "one billion, one hundred thirty-three million, three hundred twenty-two thousand, twenty-one".