22022011210221 has 32 divisors (see below), whose sum is σ = 35627935411200. Its totient is φ = 13332871142640.

The previous prime is 22022011210201. The next prime is 22022011210247. The reversal of 22022011210221 is 12201211022022.

It is a happy number.

22022011210221 is a `hidden beast` number, since 2 + 2 + 0 + 220 + 11 + 210 + 221 = 666.

It is not a de Polignac number, because 22022011210221 - 2⁵ = 22022011210189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022011210194 and 22022011210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022011210201) 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, 38052091 + ... + 38626488.

It is an arithmetic number, because the mean of its divisors is an integer number (1113372981600).

Almost surely, 2^{22022011210221} is an apocalyptic number.

It is an amenable number.

22022011210221 is a deficient number, since it is larger than the sum of its proper divisors (13605924200979).

22022011210221 is a wasteful number, since it uses less digits than its factorization.

22022011210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76679566 (or 76679560 counting only the distinct ones).

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

Adding to 22022011210221 its reverse (12201211022022), we get a palindrome (34223222232243).

The spelling of 22022011210221 in words is "twenty-two trillion, twenty-two billion, eleven million, two hundred ten thousand, two hundred twenty-one".