210002021222 has 32 divisors (see below), whose sum is σ = 364416724224. Its totient is φ = 88898004000.

The previous prime is 210002021209. The next prime is 210002021239. The reversal of 210002021222 is 222120200012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 210002021197 and 210002021206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6550472 + ... + 6582452.

It is an arithmetic number, because the mean of its divisors is an integer number (11388022632).

Almost surely, 2^210002021222 is an apocalyptic number.

210002021222 is a deficient number, since it is larger than the sum of its proper divisors (154414703002).

210002021222 is a wasteful number, since it uses less digits than its factorization.

210002021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37724.

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

Adding to 210002021222 its reverse (222120200012), we get a palindrome (432122221234).

The spelling of 210002021222 in words is "two hundred ten billion, two million, twenty-one thousand, two hundred twenty-two".