210221022212 has 24 divisors (see below), whose sum is σ = 383977309632. Its totient is φ = 100515492000.

The previous prime is 210221022197. The next prime is 210221022259. The reversal of 210221022212 is 212220122012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90662 + ... + 654722.

It is an arithmetic number, because the mean of its divisors is an integer number (15999054568).

Almost surely, 2^210221022212 is an apocalyptic number.

It is an amenable number.

210221022212 is a deficient number, since it is larger than the sum of its proper divisors (173756287420).

210221022212 is a wasteful number, since it uses less digits than its factorization.

210221022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568139 (or 568137 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210221022212 its reverse (212220122012), we get a palindrome (422441144224).

The spelling of 210221022212 in words is "two hundred ten billion, two hundred twenty-one million, twenty-two thousand, two hundred twelve".