13111122022 has 8 divisors (see below), whose sum is σ = 19668699072. Its totient is φ = 6554889000.

The previous prime is 13111121993. The next prime is 13111122049. The reversal of 13111122022 is 22022111131.

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 = 13111121987 and 13111122005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311254 + ... + 350857.

It is an arithmetic number, because the mean of its divisors is an integer number (2458587384).

Almost surely, 2^13111122022 is an apocalyptic number.

13111122022 is a deficient number, since it is larger than the sum of its proper divisors (6557577050).

13111122022 is an equidigital number, since it uses as much as digits as its factorization.

13111122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672014.

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

Adding to 13111122022 its reverse (22022111131), we get a palindrome (35133233153).

The spelling of 13111122022 in words is "thirteen billion, one hundred eleven million, one hundred twenty-two thousand, twenty-two".