13112222222 has 16 divisors (see below), whose sum is σ = 21472653744. Its totient is φ = 5955576000.

The previous prime is 13112222141. The next prime is 13112222239. The reversal of 13112222222 is 22222221131.

It is a super-2 number, since 2×13112222222² (a number of 21 digits) contains 22 as substring.

13112222222 is a modest number, since divided by 222222 gives 13112 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 13112222194 and 13112222203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196529 + ... + 254652.

It is an arithmetic number, because the mean of its divisors is an integer number (1342040859).

Almost surely, 2^13112222222 is an apocalyptic number.

13112222222 is a deficient number, since it is larger than the sum of its proper divisors (8360431522).

13112222222 is a wasteful number, since it uses less digits than its factorization.

13112222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452515.

The product of its digits is 384, while the sum is 20.

Adding to 13112222222 its reverse (22222221131), we get a palindrome (35334443353).

The spelling of 13112222222 in words is "thirteen billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-two".