11321221330123 has 16 divisors (see below), whose sum is σ = 11987607744000. Its totient is φ = 10661927756832.

The previous prime is 11321221330103. The next prime is 11321221330129. The reversal of 11321221330123 is 32103312212311.

11321221330123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11321221330123 - 2¹⁷ = 11321221199051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321221330129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9780798 + ... + 10876876.

It is an arithmetic number, because the mean of its divisors is an integer number (749225484000).

Almost surely, 2^{11321221330123} is an apocalyptic number.

11321221330123 is a deficient number, since it is larger than the sum of its proper divisors (666386413877).

11321221330123 is a wasteful number, since it uses less digits than its factorization.

11321221330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099314.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11321221330123 its reverse (32103312212311), we get a palindrome (43424533542434).

The spelling of 11321221330123 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred thirty thousand, one hundred twenty-three".