210221020222 has 8 divisors (see below), whose sum is σ = 333880443936. Its totient is φ = 98927538912.

The previous prime is 210221020193. The next prime is 210221020253. The reversal of 210221020222 is 222020122012.

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 = 210221020196 and 210221020205.

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, 3091485558 + ... + 3091485625.

It is an arithmetic number, because the mean of its divisors is an integer number (41735055492).

Almost surely, 2^210221020222 is an apocalyptic number.

210221020222 is a deficient number, since it is larger than the sum of its proper divisors (123659423714).

210221020222 is a wasteful number, since it uses less digits than its factorization.

210221020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182971202.

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

Adding to 210221020222 its reverse (222020122012), we get a palindrome (432241142234).

The spelling of 210221020222 in words is "two hundred ten billion, two hundred twenty-one million, twenty thousand, two hundred twenty-two".