22012101100012 has 24 divisors (see below), whose sum is σ = 39434222600640. Its totient is φ = 10746292811520.

The previous prime is 22012101099997. The next prime is 22012101100013. The reversal of 22012101100012 is 21000110121022.

It is a junction number, because it is equal to n+sod(n) for n = 22012101099965 and 22012101100001.

It is not an unprimeable number, because it can be changed into a prime (22012101100013) 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, 138977437 + ... + 139135732.

It is an arithmetic number, because the mean of its divisors is an integer number (1643092608360).

Almost surely, 2^{22012101100012} is an apocalyptic number.

It is an amenable number.

22012101100012 is a deficient number, since it is larger than the sum of its proper divisors (17422121500628).

22012101100012 is a wasteful number, since it uses less digits than its factorization.

22012101100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278113641 (or 278113639 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22012101100012 its reverse (21000110121022), we get a palindrome (43012211221034).

The spelling of 22012101100012 in words is "twenty-two trillion, twelve billion, one hundred one million, one hundred thousand, twelve".