22100111102012 has 12 divisors (see below), whose sum is σ = 38678308209576. Its totient is φ = 11049165899280.

The previous prime is 22100111102011. The next prime is 22100111102101. The reversal of 22100111102012 is 21020111100122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100111102011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222357038 + ... + 222456405.

It is an arithmetic number, because the mean of its divisors is an integer number (3223192350798).

Almost surely, 2^{22100111102012} is an apocalyptic number.

It is an amenable number.

22100111102012 is a deficient number, since it is larger than the sum of its proper divisors (16578197107564).

22100111102012 is a wasteful number, since it uses less digits than its factorization.

22100111102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444825868 (or 444825866 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22100111102012 its reverse (21020111100122), we get a palindrome (43120222202134).

The spelling of 22100111102012 in words is "twenty-two trillion, one hundred billion, one hundred eleven million, one hundred two thousand, twelve".