11012321332001 has 24 divisors (see below), whose sum is σ = 12681043967808. Its totient is φ = 9482771484000.

The previous prime is 11012321331967. The next prime is 11012321332037. The reversal of 11012321332001 is 10023312321011.

It is a happy number.

It is not a de Polignac number, because 11012321332001 - 2²⁶ = 11012254223137 is a prime.

It is a super-2 number, since 2×11012321332001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012321332081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24841271 + ... + 25280691.

It is an arithmetic number, because the mean of its divisors is an integer number (528376831992).

Almost surely, 2^{11012321332001} is an apocalyptic number.

11012321332001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11012321332001 is a deficient number, since it is larger than the sum of its proper divisors (1668722635807).

11012321332001 is a wasteful number, since it uses less digits than its factorization.

11012321332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445781 (or 445762 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11012321332001 its reverse (10023312321011), we get a palindrome (21035633653012).

The spelling of 11012321332001 in words is "eleven trillion, twelve billion, three hundred twenty-one million, three hundred thirty-two thousand, one".