13111122 has 8 divisors (see below), whose sum is σ = 26222256. Its totient is φ = 4370372.

The previous prime is 13111117. The next prime is 13111129. The reversal of 13111122 is 22111131.

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

13111122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13111098 and 13111107.

It is not an unprimeable number, because it can be changed into a prime (13111129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092588 + ... + 1092599.

It is an arithmetic number, because the mean of its divisors is an integer number (3277782).

Almost surely, 2^13111122 is an apocalyptic number.

13111122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13111122 is a wasteful number, since it uses less digits than its factorization.

13111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185192.

The product of its digits is 12, while the sum is 12.

The square root of 13111122 is about 3620.9283340050. The cubic root of 13111122 is about 235.8015304485.

Adding to 13111122 its reverse (22111131), we get a palindrome (35222253).

Subtracting 13111122 from its reverse (22111131), we obtain a palindrome (9000009).

The spelling of 13111122 in words is "thirteen million, one hundred eleven thousand, one hundred twenty-two".