11321421321043 has 8 divisors (see below), whose sum is σ = 11345236116480. Its totient is φ = 11297607273480.

The previous prime is 11321421321029. The next prime is 11321421321061. The reversal of 11321421321043 is 34012312412311.

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 11321421321043 - 2¹⁷ = 11321421189971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321421321013) 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, 38531458 + ... + 38824168.

It is an arithmetic number, because the mean of its divisors is an integer number (1418154514560).

Almost surely, 2^{11321421321043} is an apocalyptic number.

11321421321043 is a deficient number, since it is larger than the sum of its proper divisors (23814795437).

11321421321043 is an equidigital number, since it uses as much as digits as its factorization.

11321421321043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373937.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11321421321043 its reverse (34012312412311), we get a palindrome (45333733733354).

The spelling of 11321421321043 in words is "eleven trillion, three hundred twenty-one billion, four hundred twenty-one million, three hundred twenty-one thousand, forty-three".