11321000122103 has 4 divisors (see below), whose sum is σ = 12938285853840. Its totient is φ = 9703714390368.

The previous prime is 11321000122087. The next prime is 11321000122109. The reversal of 11321000122103 is 30122100012311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11321000122103 - 2⁴ = 11321000122087 is a prime.

It is a super-2 number, since 2×11321000122103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321000122109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808642865858 + ... + 808642865871.

It is an arithmetic number, because the mean of its divisors is an integer number (3234571463460).

Almost surely, 2^{11321000122103} is an apocalyptic number.

11321000122103 is a deficient number, since it is larger than the sum of its proper divisors (1617285731737).

11321000122103 is an equidigital number, since it uses as much as digits as its factorization.

11321000122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617285731736.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11321000122103 its reverse (30122100012311), we get a palindrome (41443100134414).

The spelling of 11321000122103 in words is "eleven trillion, three hundred twenty-one billion, one hundred twenty-two thousand, one hundred three".