21202200201022 has 16 divisors (see below), whose sum is σ = 33479373070800. Its totient is φ = 10042483006080.

The previous prime is 21202200201001. The next prime is 21202200201029. The reversal of 21202200201022 is 22010200220212.

It is a junction number, because it is equal to n+sod(n) for n = 21202200200987 and 21202200201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202200201029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17874997 + ... + 19024192.

It is an arithmetic number, because the mean of its divisors is an integer number (2092460816925).

Almost surely, 2^{21202200201022} is an apocalyptic number.

21202200201022 is a deficient number, since it is larger than the sum of its proper divisors (12277172869778).

21202200201022 is a wasteful number, since it uses less digits than its factorization.

21202200201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36914331.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21202200201022 its reverse (22010200220212), we get a palindrome (43212400421234).

The spelling of 21202200201022 in words is "twenty-one trillion, two hundred two billion, two hundred million, two hundred one thousand, twenty-two".