21210322200022 has 16 divisors (see below), whose sum is σ = 33775866196560. Its totient is φ = 9954992130048.

The previous prime is 21210322200017. The next prime is 21210322200037. The reversal of 21210322200022 is 22000222301212.

It is a super-3 number, since 3×21210322200022³ (a number of 41 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 822985803 + ... + 823011574.

It is an arithmetic number, because the mean of its divisors is an integer number (2110991637285).

Almost surely, 2^{21210322200022} is an apocalyptic number.

21210322200022 is a deficient number, since it is larger than the sum of its proper divisors (12565543996538).

21210322200022 is a wasteful number, since it uses less digits than its factorization.

21210322200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645997775.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21210322200022 its reverse (22000222301212), we get a palindrome (43210544501234).

The spelling of 21210322200022 in words is "twenty-one trillion, two hundred ten billion, three hundred twenty-two million, two hundred thousand, twenty-two".