22100221012222 has 8 divisors (see below), whose sum is σ = 33617237596272. Its totient is φ = 10894475146800.

The previous prime is 22100221012211. The next prime is 22100221012229. The reversal of 22100221012222 is 22221012200122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22100221012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100221012229) 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, 77817679479 + ... + 77817679762.

It is an arithmetic number, because the mean of its divisors is an integer number (4202154699534).

Almost surely, 2^{22100221012222} is an apocalyptic number.

22100221012222 is a deficient number, since it is larger than the sum of its proper divisors (11517016584050).

22100221012222 is a wasteful number, since it uses less digits than its factorization.

22100221012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155635359314.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22100221012222 its reverse (22221012200122), we get a palindrome (44321233212344).

The spelling of 22100221012222 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, twelve thousand, two hundred twenty-two".