21200210020222 has 8 divisors (see below), whose sum is σ = 31800471687000. Its totient is φ = 10600052791224.

The previous prime is 21200210020151. The next prime is 21200210020279. The reversal of 21200210020222 is 22202001200212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21200210020196 and 21200210020205.

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, 25599972 + ... + 26415127.

It is an arithmetic number, because the mean of its divisors is an integer number (3975058960875).

Almost surely, 2^{21200210020222} is an apocalyptic number.

21200210020222 is a deficient number, since it is larger than the sum of its proper divisors (10600261666778).

21200210020222 is a wasteful number, since it uses less digits than its factorization.

21200210020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52218890.

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

Adding to 21200210020222 its reverse (22202001200212), we get a palindrome (43402211220434).

The spelling of 21200210020222 in words is "twenty-one trillion, two hundred billion, two hundred ten million, twenty thousand, two hundred twenty-two".