11012331001 has 6 divisors (see below), whose sum is σ = 12810262650. Its totient is φ = 9439140816.

The previous prime is 11012330957. The next prime is 11012331091. The reversal of 11012331001 is 10013321011.

11012331001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10312199401 + 700131600 = 101549^2 + 26460^2 .

It is not a de Polignac number, because 11012331001 - 2⁹ = 11012330489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012331091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112370676 + ... + 112370773.

It is an arithmetic number, because the mean of its divisors is an integer number (2135043775).

Almost surely, 2^11012331001 is an apocalyptic number.

It is an amenable number.

11012331001 is a deficient number, since it is larger than the sum of its proper divisors (1797931649).

11012331001 is an equidigital number, since it uses as much as digits as its factorization.

11012331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224741463 (or 224741456 counting only the distinct ones).

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

Adding to 11012331001 its reverse (10013321011), we get a palindrome (21025652012).

The spelling of 11012331001 in words is "eleven billion, twelve million, three hundred thirty-one thousand, one".