21202000220022 has 8 divisors (see below), whose sum is σ = 42404000440056. Its totient is φ = 7067333406672.

The previous prime is 21202000219991. The next prime is 21202000220033. The reversal of 21202000220022 is 22002200020212.

It is a sphenic number, since it is the product of 3 distinct primes.

21202000220022 is an admirable number.

21202000220022 is a modest number, since divided by 220022 gives 212020 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 21202000219983 and 21202000220010.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1766833351663 + ... + 1766833351674.

It is an arithmetic number, because the mean of its divisors is an integer number (5300500055007).

Almost surely, 2^{21202000220022} is an apocalyptic number.

21202000220022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21202000220022 is a wasteful number, since it uses less digits than its factorization.

21202000220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533666703342.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 21202000220022 its reverse (22002200020212), we get a palindrome (43204200240234).

The spelling of 21202000220022 in words is "twenty-one trillion, two hundred two billion, two hundred twenty thousand, twenty-two".