22022201020221 has 56 divisors (see below), whose sum is σ = 33078409612704. Its totient is φ = 14654709669600.

The previous prime is 22022201020213. The next prime is 22022201020223. The reversal of 22022201020221 is 12202010222022.

22022201020221 is a `hidden beast` number, since 2 + 202 + 220 + 1 + 0 + 20 + 221 = 666.

It is not a de Polignac number, because 22022201020221 - 2³ = 22022201020213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022201020194 and 22022201020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022201020223) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1900589790 + ... + 1900601376.

Almost surely, 2^{22022201020221} is an apocalyptic number.

It is an amenable number.

22022201020221 is a deficient number, since it is larger than the sum of its proper divisors (11056208592483).

22022201020221 is an equidigital number, since it uses as much as digits as its factorization.

22022201020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16133 (or 16118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22022201020221 its reverse (12202010222022), we get a palindrome (34224211242243).

The spelling of 22022201020221 in words is "twenty-two trillion, twenty-two billion, two hundred one million, twenty thousand, two hundred twenty-one".