11231322113121 has 16 divisors (see below), whose sum is σ = 16560255771840. Its totient is φ = 6713617201920.

The previous prime is 11231322113087. The next prime is 11231322113149. The reversal of 11231322113121 is 12131122313211.

It is not a de Polignac number, because 11231322113121 - 2¹³ = 11231322104929 is a prime.

It is a super-2 number, since 2×11231322113121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231322113091 and 11231322113100.

It is not an unprimeable number, because it can be changed into a prime (11231322113021) 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, 2331114676 + ... + 2331119493.

It is an arithmetic number, because the mean of its divisors is an integer number (1035015985740).

Almost surely, 2^{11231322113121} is an apocalyptic number.

11231322113121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11231322113121 is a deficient number, since it is larger than the sum of its proper divisors (5328933658719).

11231322113121 is a wasteful number, since it uses less digits than its factorization.

11231322113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662234256.

The product of its digits is 432, while the sum is 24.

Adding to 11231322113121 its reverse (12131122313211), we get a palindrome (23362444426332).

The spelling of 11231322113121 in words is "eleven trillion, two hundred thirty-one billion, three hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-one".