22120202200221 has 24 divisors (see below), whose sum is σ = 31961011043520. Its totient is φ = 14742367710336.

The previous prime is 22120202200211. The next prime is 22120202200231. The reversal of 22120202200221 is 12200220202122.

22120202200221 is a `hidden beast` number, since 2 + 21 + 20 + 202 + 200 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (22120202200211) and next prime (22120202200231).

It is not a de Polignac number, because 22120202200221 - 2¹¹ = 22120202198173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22120202200194 and 22120202200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120202200211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651784965 + ... + 651818901.

It is an arithmetic number, because the mean of its divisors is an integer number (1331708793480).

Almost surely, 2^{22120202200221} is an apocalyptic number.

It is an amenable number.

22120202200221 is a deficient number, since it is larger than the sum of its proper divisors (9840808843299).

22120202200221 is a wasteful number, since it uses less digits than its factorization.

22120202200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53585 (or 53582 counting only the distinct ones).

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

Adding to 22120202200221 its reverse (12200220202122), we get a palindrome (34320422402343).

The spelling of 22120202200221 in words is "twenty-two trillion, one hundred twenty billion, two hundred two million, two hundred thousand, two hundred twenty-one".