22221201222101 has 16 divisors (see below), whose sum is σ = 27101249335296. Its totient is φ = 17785194852096.

The previous prime is 22221201222089. The next prime is 22221201222131. The reversal of 22221201222101 is 10122210212222.

It is a de Polignac number, because none of the positive numbers 2^k-22221201222101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221201222131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 735153326 + ... + 735183551.

It is an arithmetic number, because the mean of its divisors is an integer number (1693828083456).

Almost surely, 2^{22221201222101} is an apocalyptic number.

It is an amenable number.

22221201222101 is a deficient number, since it is larger than the sum of its proper divisors (4880048113195).

22221201222101 is a wasteful number, since it uses less digits than its factorization.

22221201222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470337028.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221201222101 its reverse (10122210212222), we get a palindrome (32343411434323).

The spelling of 22221201222101 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, one hundred one".