210102102111222 has 48 divisors (see below), whose sum is σ = 457179106192848. Its totient is φ = 69732826421760.

The previous prime is 210102102111217. The next prime is 210102102111241. The reversal of 210102102111222 is 222111201201012.

210102102111222 is a `hidden beast` number, since 2 + 10 + 10 + 210 + 211 + 1 + 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 = 210102102111195 and 210102102111204.

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, 790197022 + ... + 790462862.

It is an arithmetic number, because the mean of its divisors is an integer number (9524564712351).

Almost surely, 2^{210102102111222} is an apocalyptic number.

210102102111222 is an abundant number, since it is smaller than the sum of its proper divisors (247077004081626).

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

210102102111222 is a wasteful number, since it uses less digits than its factorization.

210102102111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454525 (or 454522 counting only the distinct ones).

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

Adding to 210102102111222 its reverse (222111201201012), we get a palindrome (432213303312234).

The spelling of 210102102111222 in words is "two hundred ten trillion, one hundred two billion, one hundred two million, one hundred eleven thousand, two hundred twenty-two".