210021212120222 has 8 divisors (see below), whose sum is σ = 322358139533496. Its totient is φ = 102568498942392.

The previous prime is 210021212120201. The next prime is 210021212120227. The reversal of 210021212120222 is 222021212120012.

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 = 210021212120194 and 210021212120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021212120227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221053558753 + ... + 1221053558924.

It is an arithmetic number, because the mean of its divisors is an integer number (40294767441687).

Almost surely, 2^{210021212120222} is an apocalyptic number.

210021212120222 is a deficient number, since it is larger than the sum of its proper divisors (112336927413274).

210021212120222 is a wasteful number, since it uses less digits than its factorization.

210021212120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442107117722.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210021212120222 its reverse (222021212120012), we get a palindrome (432042424240234).

The spelling of 210021212120222 in words is "two hundred ten trillion, twenty-one billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-two".