210021120222 has 16 divisors (see below), whose sum is σ = 420048472080. Its totient is φ = 70006001472.

The previous prime is 210021120203. The next prime is 210021120233. The reversal of 210021120222 is 222021120012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257808 + ... + 697500.

It is an arithmetic number, because the mean of its divisors is an integer number (26253029505).

Almost surely, 2^210021120222 is an apocalyptic number.

210021120222 is an abundant number, since it is smaller than the sum of its proper divisors (210027351858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210021120222 is a wasteful number, since it uses less digits than its factorization.

210021120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519307.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210021120222 its reverse (222021120012), we get a palindrome (432042240234).

The spelling of 210021120222 in words is "two hundred ten billion, twenty-one million, one hundred twenty thousand, two hundred twenty-two".