11043321023001 has 4 divisors (see below), whose sum is σ = 14724428030672. Its totient is φ = 7362214015332.

The previous prime is 11043321022999. The next prime is 11043321023029. The reversal of 11043321023001 is 10032012334011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11043321023001 - 2¹ = 11043321022999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043321021001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840553503831 + ... + 1840553503836.

It is an arithmetic number, because the mean of its divisors is an integer number (3681107007668).

Almost surely, 2^{11043321023001} is an apocalyptic number.

It is an amenable number.

11043321023001 is a deficient number, since it is larger than the sum of its proper divisors (3681107007671).

11043321023001 is an equidigital number, since it uses as much as digits as its factorization.

11043321023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681107007670.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11043321023001 its reverse (10032012334011), we get a palindrome (21075333357012).

The spelling of 11043321023001 in words is "eleven trillion, forty-three billion, three hundred twenty-one million, twenty-three thousand, one".