1011133321 has 12 divisors (see below), whose sum is σ = 1114207632. Its totient is φ = 910010000.

The previous prime is 1011133313. The next prime is 1011133339. The reversal of 1011133321 is 1233311101.

It is not a de Polignac number, because 1011133321 - 2³ = 1011133313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011133295 and 1011133304.

It is not an unprimeable number, because it can be changed into a prime (1011133301) 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, 107706 + ... + 116716.

It is an arithmetic number, because the mean of its divisors is an integer number (92850636).

Almost surely, 2^1011133321 is an apocalyptic number.

1011133321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011133321 is a deficient number, since it is larger than the sum of its proper divisors (103074311).

1011133321 is an equidigital number, since it uses as much as digits as its factorization.

1011133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224 (or 9123 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1011133321 is about 31798.3226129933. The cubic root of 1011133321 is about 1003.6974192419.

Adding to 1011133321 its reverse (1233311101), we get a palindrome (2244444422).

The spelling of 1011133321 in words is "one billion, eleven million, one hundred thirty-three thousand, three hundred twenty-one".