213213102210 has 48 divisors (see below), whose sum is σ = 554380407360. Its totient is φ = 56854125600.

The previous prime is 213213102203. The next prime is 213213102253. The reversal of 213213102210 is 12201312312.

213213102210 is a `hidden beast` number, since 2 + 1 + 321 + 310 + 22 + 10 = 666.

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

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, 2479435 + ... + 2563985.

It is an arithmetic number, because the mean of its divisors is an integer number (11549591820).

Almost surely, 2^213213102210 is an apocalyptic number.

213213102210 is an abundant number, since it is smaller than the sum of its proper divisors (341167305150).

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

213213102210 is a wasteful number, since it uses less digits than its factorization.

213213102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112583 (or 112580 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213213102210 its reverse (12201312312), we get a palindrome (225414414522).

The spelling of 213213102210 in words is "two hundred thirteen billion, two hundred thirteen million, one hundred two thousand, two hundred ten".