210101211222 has 32 divisors (see below), whose sum is σ = 480254095872. Its totient is φ = 60026073024.

The previous prime is 210101211217. The next prime is 210101211247. The reversal of 210101211222 is 222112101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876703 + ... + 1090325.

It is an arithmetic number, because the mean of its divisors is an integer number (15007940496).

Almost surely, 2^210101211222 is an apocalyptic number.

210101211222 is an abundant number, since it is smaller than the sum of its proper divisors (270152884650).

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

210101211222 is a wasteful number, since it uses less digits than its factorization.

210101211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237052.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210101211222 its reverse (222112101012), we get a palindrome (432213312234).

The spelling of 210101211222 in words is "two hundred ten billion, one hundred one million, two hundred eleven thousand, two hundred twenty-two".