11321011331123 has 36 divisors (see below), whose sum is σ = 12481515478320. Its totient is φ = 10207616149632.

The previous prime is 11321011331107. The next prime is 11321011331129. The reversal of 11321011331123 is 32113311012311.

11321011331123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11321011331123 - 2⁴ = 11321011331107 is a prime.

It is a super-2 number, since 2×11321011331123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321011331129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 709373018 + ... + 709388976.

Almost surely, 2^{11321011331123} is an apocalyptic number.

11321011331123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11321011331123 is a deficient number, since it is larger than the sum of its proper divisors (1160504147197).

11321011331123 is an frugal number, since it uses more digits than its factorization.

11321011331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16316 (or 16144 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11321011331123 its reverse (32113311012311), we get a palindrome (43434322343434).

The spelling of 11321011331123 in words is "eleven trillion, three hundred twenty-one billion, eleven million, three hundred thirty-one thousand, one hundred twenty-three".