11321212322123 has 16 divisors (see below), whose sum is σ = 12889767686400. Its totient is φ = 9842714592480.

The previous prime is 11321212322111. The next prime is 11321212322219. The reversal of 11321212322123 is 32122321212311.

It is not a de Polignac number, because 11321212322123 - 2³⁶ = 11252492845387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321212322092 and 11321212322101.

It is not an unprimeable number, because it can be changed into a prime (11321212322423) 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 15 ways as a sum of consecutive naturals, for example, 2757788 + ... + 5499801.

It is an arithmetic number, because the mean of its divisors is an integer number (805610480400).

Almost surely, 2^{11321212322123} is an apocalyptic number.

11321212322123 is a deficient number, since it is larger than the sum of its proper divisors (1568555364277).

11321212322123 is a wasteful number, since it uses less digits than its factorization.

11321212322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8263042.

The product of its digits is 1728, while the sum is 26.

Adding to 11321212322123 its reverse (32122321212311), we get a palindrome (43443533534434).

The spelling of 11321212322123 in words is "eleven trillion, three hundred twenty-one billion, two hundred twelve million, three hundred twenty-two thousand, one hundred twenty-three".