22100221212201 has 32 divisors (see below), whose sum is σ = 35810786672640. Its totient is φ = 13359101922000.

The previous prime is 22100221212169. The next prime is 22100221212203. The reversal of 22100221212201 is 10221212200122.

It is a happy number.

22100221212201 is a `hidden beast` number, since 2 + 210 + 0 + 221 + 212 + 20 + 1 = 666.

It is not a de Polignac number, because 22100221212201 - 2⁵ = 22100221212169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100221212203) 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 31 ways as a sum of consecutive naturals, for example, 97029225 + ... + 97256726.

It is an arithmetic number, because the mean of its divisors is an integer number (1119087083520).

Almost surely, 2^{22100221212201} is an apocalyptic number.

It is an amenable number.

22100221212201 is a deficient number, since it is larger than the sum of its proper divisors (13710565460439).

22100221212201 is a wasteful number, since it uses less digits than its factorization.

22100221212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194286354 (or 194286348 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22100221212201 its reverse (10221212200122), we get a palindrome (32321433412323).

The spelling of 22100221212201 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, two hundred twelve thousand, two hundred one".