11431344121122 has 16 divisors (see below), whose sum is σ = 22862801825280. Its totient is φ = 3810429109872.

The previous prime is 11431344121111. The next prime is 11431344121181. The reversal of 11431344121122 is 22112144313411.

It is a self number, because there is not a number n which added to its sum of digits gives 11431344121122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3395193 + ... + 5864300.

It is an arithmetic number, because the mean of its divisors is an integer number (1428925114080).

Almost surely, 2^{11431344121122} is an apocalyptic number.

11431344121122 is an abundant number, since it is smaller than the sum of its proper divisors (11431457704158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431344121122 is a wasteful number, since it uses less digits than its factorization.

11431344121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9465257.

The product of its digits is 4608, while the sum is 30.

Adding to 11431344121122 its reverse (22112144313411), we get a palindrome (33543488434533).

The spelling of 11431344121122 in words is "eleven trillion, four hundred thirty-one billion, three hundred forty-four million, one hundred twenty-one thousand, one hundred twenty-two".