21200012200022 has 8 divisors (see below), whose sum is σ = 31800078296496. Its totient is φ = 10599986101192.

The previous prime is 21200012200001. The next prime is 21200012200099. The reversal of 21200012200022 is 22000221000212.

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

It is a super-3 number, since 3×21200012200022³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8637218 + ... + 10816725.

It is an arithmetic number, because the mean of its divisors is an integer number (3975009787062).

Almost surely, 2^{21200012200022} is an apocalyptic number.

21200012200022 is a deficient number, since it is larger than the sum of its proper divisors (10600066096474).

21200012200022 is a wasteful number, since it uses less digits than its factorization.

21200012200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19998822.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21200012200022 its reverse (22000221000212), we get a palindrome (43200233200234).

The spelling of 21200012200022 in words is "twenty-one trillion, two hundred billion, twelve million, two hundred thousand, twenty-two".