11043321122001 has 48 divisors (see below), whose sum is σ = 17150020609920. Its totient is φ = 6302512903680.

The previous prime is 11043321121997. The next prime is 11043321122081. The reversal of 11043321122001 is 10022112334011.

It is not a de Polignac number, because 11043321122001 - 2² = 11043321121997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11043321122081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1235128191 + ... + 1235137131.

It is an arithmetic number, because the mean of its divisors is an integer number (357292096040).

Almost surely, 2^{11043321122001} is an apocalyptic number.

It is an amenable number.

11043321122001 is a deficient number, since it is larger than the sum of its proper divisors (6106699487919).

11043321122001 is an equidigital number, since it uses as much as digits as its factorization.

11043321122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18614 (or 18607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11043321122001 its reverse (10022112334011), we get a palindrome (21065433456012).

The spelling of 11043321122001 in words is "eleven trillion, forty-three billion, three hundred twenty-one million, one hundred twenty-two thousand, one".