13001111222 has 32 divisors (see below), whose sum is σ = 21619798560. Its totient is φ = 5814097920.

The previous prime is 13001111219. The next prime is 13001111239. The reversal of 13001111222 is 22211110031.

It is a junction number, because it is equal to n+sod(n) for n = 13001111197 and 13001111206.

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 15 ways as a sum of consecutive naturals, for example, 646958 + ... + 666750.

It is an arithmetic number, because the mean of its divisors is an integer number (675618705).

Almost surely, 2^13001111222 is an apocalyptic number.

13001111222 is a deficient number, since it is larger than the sum of its proper divisors (8618687338).

13001111222 is a wasteful number, since it uses less digits than its factorization.

13001111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13001111222 its reverse (22211110031), we get a palindrome (35212221253).

The spelling of 13001111222 in words is "thirteen billion, one million, one hundred eleven thousand, two hundred twenty-two".