13220111122 has 8 divisors (see below), whose sum is σ = 19963255500. Its totient is φ = 6565692624.

The previous prime is 13220111119. The next prime is 13220111123. The reversal of 13220111122 is 22111102231.

It can be written as a sum of positive squares in 2 ways, for example, as 10004200441 + 3215910681 = 100021^2 + 56709^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13220111096 and 13220111105.

It is not an unprimeable number, because it can be changed into a prime (13220111123) 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, 22181097 + ... + 22181692.

Almost surely, 2^13220111122 is an apocalyptic number.

13220111122 is a deficient number, since it is larger than the sum of its proper divisors (6743144378).

13220111122 is a wasteful number, since it uses less digits than its factorization.

13220111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44362940.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13220111122 its reverse (22111102231), we get a palindrome (35331213353).

The spelling of 13220111122 in words is "thirteen billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty-two".