11122231203121 has 8 divisors (see below), whose sum is σ = 11232424572264. Its totient is φ = 11012039251200.

The previous prime is 11122231203073. The next prime is 11122231203137. The reversal of 11122231203121 is 12130213222111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 674862250000 + 10447368953121 = 821500^2 + 3232239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122231203121 - 2¹¹ = 11122231201073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122231203092 and 11122231203101.

It is not an unprimeable number, because it can be changed into a prime (11122231203221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23016831 + ... + 23495083.

It is an arithmetic number, because the mean of its divisors is an integer number (1404053071533).

Almost surely, 2^{11122231203121} is an apocalyptic number.

It is an amenable number.

11122231203121 is a deficient number, since it is larger than the sum of its proper divisors (110193369143).

11122231203121 is a wasteful number, since it uses less digits than its factorization.

11122231203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708611.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11122231203121 its reverse (12130213222111), we get a palindrome (23252444425232).

The spelling of 11122231203121 in words is "eleven trillion, one hundred twenty-two billion, two hundred thirty-one million, two hundred three thousand, one hundred twenty-one".