11321121002043 has 8 divisors (see below), whose sum is σ = 15102768477456. Its totient is φ = 7543443764000.

The previous prime is 11321121002033. The next prime is 11321121002069. The reversal of 11321121002043 is 34020012112311.

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 11321121002043 - 2⁴ = 11321121002027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11321121002033) 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, 992552688 + ... + 992564093.

It is an arithmetic number, because the mean of its divisors is an integer number (1887846059682).

Almost surely, 2^{11321121002043} is an apocalyptic number.

11321121002043 is a deficient number, since it is larger than the sum of its proper divisors (3781647475413).

11321121002043 is a wasteful number, since it uses less digits than its factorization.

11321121002043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985118685.

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

Adding to 11321121002043 its reverse (34020012112311), we get a palindrome (45341133114354).

The spelling of 11321121002043 in words is "eleven trillion, three hundred twenty-one billion, one hundred twenty-one million, two thousand, forty-three".