213120210222 has 48 divisors (see below), whose sum is σ = 463787674272. Its totient is φ = 70728863040.

The previous prime is 213120210217. The next prime is 213120210263. The reversal of 213120210222 is 222012021312.

213120210222 is a `hidden beast` number, since 213 + 1 + 20 + 210 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213120210195 and 213120210204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3838423 + ... + 3893549.

It is an arithmetic number, because the mean of its divisors is an integer number (9662243214).

Almost surely, 2^213120210222 is an apocalyptic number.

213120210222 is an abundant number, since it is smaller than the sum of its proper divisors (250667464050).

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

213120210222 is a wasteful number, since it uses less digits than its factorization.

213120210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56073 (or 56070 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 213120210222 its reverse (222012021312), we get a palindrome (435132231534).

The spelling of 213120210222 in words is "two hundred thirteen billion, one hundred twenty million, two hundred ten thousand, two hundred twenty-two".