22120011122012 has 24 divisors (see below), whose sum is σ = 38776432821504. Its totient is φ = 11041033715712.

The previous prime is 22120011121997. The next prime is 22120011122039. The reversal of 22120011122012 is 21022111002122.

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, 25956188 + ... + 26794844.

It is an arithmetic number, because the mean of its divisors is an integer number (1615684700896).

Almost surely, 2^{22120011122012} is an apocalyptic number.

It is an amenable number.

22120011122012 is a deficient number, since it is larger than the sum of its proper divisors (16656421699492).

22120011122012 is a wasteful number, since it uses less digits than its factorization.

22120011122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849965 (or 849963 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22120011122012 its reverse (21022111002122), we get a palindrome (43142122124134).

The spelling of 22120011122012 in words is "twenty-two trillion, one hundred twenty billion, eleven million, one hundred twenty-two thousand, twelve".