22111202122012 has 12 divisors (see below), whose sum is σ = 39638374536096. Its totient is φ = 10785952254560.

The previous prime is 22111202121961. The next prime is 22111202122027. The reversal of 22111202122012 is 21022120211122.

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, 67412201428 + ... + 67412201755.

It is an arithmetic number, because the mean of its divisors is an integer number (3303197878008).

Almost surely, 2^{22111202122012} is an apocalyptic number.

It is an amenable number.

22111202122012 is a deficient number, since it is larger than the sum of its proper divisors (17527172414084).

22111202122012 is a wasteful number, since it uses less digits than its factorization.

22111202122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134824403228 (or 134824403226 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22111202122012 its reverse (21022120211122), we get a palindrome (43133322333134).

The spelling of 22111202122012 in words is "twenty-two trillion, one hundred eleven billion, two hundred two million, one hundred twenty-two thousand, twelve".