11021331001 has 8 divisors (see below), whose sum is σ = 11313735680. Its totient is φ = 10732748832.

The previous prime is 11021330981. The next prime is 11021331011. The reversal of 11021331001 is 10013312011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021331001 - 2²⁹ = 10484460089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021331011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949785 + ... + 961318.

It is an arithmetic number, because the mean of its divisors is an integer number (1414216960).

Almost surely, 2^11021331001 is an apocalyptic number.

It is an amenable number.

11021331001 is a deficient number, since it is larger than the sum of its proper divisors (292404679).

11021331001 is an equidigital number, since it uses as much as digits as its factorization.

11021331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911255.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11021331001 its reverse (10013312011), we get a palindrome (21034643012).

The spelling of 11021331001 in words is "eleven billion, twenty-one million, three hundred thirty-one thousand, one".