13111113022222 has 8 divisors (see below), whose sum is σ = 20198201142456. Its totient is φ = 6378379308072.

The previous prime is 13111113022213. The next prime is 13111113022237. The reversal of 13111113022222 is 22222031111131.

It is a happy number.

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 = 13111113022193 and 13111113022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88588601428 + ... + 88588601575.

It is an arithmetic number, because the mean of its divisors is an integer number (2524775142807).

Almost surely, 2^{13111113022222} is an apocalyptic number.

13111113022222 is a deficient number, since it is larger than the sum of its proper divisors (7087088120234).

13111113022222 is a wasteful number, since it uses less digits than its factorization.

13111113022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177177203042.

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

Adding to 13111113022222 its reverse (22222031111131), we get a palindrome (35333144133353).

The spelling of 13111113022222 in words is "thirteen trillion, one hundred eleven billion, one hundred thirteen million, twenty-two thousand, two hundred twenty-two".