210102112221210 has 96 divisors (see below), whose sum is σ = 595940497147008. Its totient is φ = 50932605548160.

The previous prime is 210102112221181. The next prime is 210102112221263. The reversal of 210102112221210 is 12122211201012.

210102112221210 is a `hidden beast` number, since 2 + 10 + 10 + 211 + 2 + 221 + 210 = 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 47 ways as a sum of consecutive naturals, for example, 38436579 + ... + 43561161.

It is an arithmetic number, because the mean of its divisors is an integer number (6207713511948).

Almost surely, 2^{210102112221210} is an apocalyptic number.

210102112221210 is an abundant number, since it is smaller than the sum of its proper divisors (385838384925798).

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

210102112221210 is a wasteful number, since it uses less digits than its factorization.

210102112221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166020 (or 5166017 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210102112221210 its reverse (12122211201012), we get a palindrome (222224323422222).

The spelling of 210102112221210 in words is "two hundred ten trillion, one hundred two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred ten".