22201221110212 has 24 divisors (see below), whose sum is σ = 40285118482560. Its totient is φ = 10692963499680.

The previous prime is 22201221110209. The next prime is 22201221110231. The reversal of 22201221110212 is 21201112210222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201221110212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221979978 + ... + 222079969.

It is an arithmetic number, because the mean of its divisors is an integer number (1678546603440).

Almost surely, 2^{22201221110212} is an apocalyptic number.

It is an amenable number.

22201221110212 is a deficient number, since it is larger than the sum of its proper divisors (18083897372348).

22201221110212 is a wasteful number, since it uses less digits than its factorization.

22201221110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444060411 (or 444060409 counting only the distinct ones).

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

Adding to 22201221110212 its reverse (21201112210222), we get a palindrome (43402333320434).

The spelling of 22201221110212 in words is "twenty-two trillion, two hundred one billion, two hundred twenty-one million, one hundred ten thousand, two hundred twelve".