13222001021122 has 16 divisors (see below), whose sum is σ = 20878450254720. Its totient is φ = 6267604944832.

The previous prime is 13222001021111. The next prime is 13222001021129. The reversal of 13222001021122 is 22112010022231.

It is a super-2 number, since 2×13222001021122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13222001021122.

It is not an unprimeable number, because it can be changed into a prime (13222001021129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271830222 + ... + 1271840617.

It is an arithmetic number, because the mean of its divisors is an integer number (1304903140920).

Almost surely, 2^{13222001021122} is an apocalyptic number.

13222001021122 is a deficient number, since it is larger than the sum of its proper divisors (7656449233598).

13222001021122 is a wasteful number, since it uses less digits than its factorization.

13222001021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543670977.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13222001021122 its reverse (22112010022231), we get a palindrome (35334011043353).

The spelling of 13222001021122 in words is "thirteen trillion, two hundred twenty-two billion, one million, twenty-one thousand, one hundred twenty-two".