210121112010222 has 64 divisors (see below), whose sum is σ = 565031561725440. Its totient is φ = 56503156169088.

The previous prime is 210121112010203. The next prime is 210121112010233. The reversal of 210121112010222 is 222010211121012.

210121112010222 is a `hidden beast` number, since 2 + 101 + 211 + 120 + 10 + 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 = 210121112010195 and 210121112010204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16349286448 + ... + 16349299299.

It is an arithmetic number, because the mean of its divisors is an integer number (8828618151960).

Almost surely, 2^{210121112010222} is an apocalyptic number.

210121112010222 is an abundant number, since it is smaller than the sum of its proper divisors (354910449715218).

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

210121112010222 is a wasteful number, since it uses less digits than its factorization.

210121112010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32698585782 (or 32698585776 counting only the distinct ones).

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

Adding to 210121112010222 its reverse (222010211121012), we get a palindrome (432131323131234).

The spelling of 210121112010222 in words is "two hundred ten trillion, one hundred twenty-one billion, one hundred twelve million, ten thousand, two hundred twenty-two".