221001102210212 has 48 divisors (see below), whose sum is σ = 398928252707712. Its totient is φ = 107078763214080.

The previous prime is 221001102210167. The next prime is 221001102210241. The reversal of 221001102210212 is 212012201100122.

221001102210212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8702273 + ... + 22753719.

It is an arithmetic number, because the mean of its divisors is an integer number (8311005264744).

Almost surely, 2^{221001102210212} is an apocalyptic number.

It is an amenable number.

221001102210212 is a deficient number, since it is larger than the sum of its proper divisors (177927150497500).

221001102210212 is a wasteful number, since it uses less digits than its factorization.

221001102210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14052468 (or 14052466 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221001102210212 its reverse (212012201100122), we get a palindrome (433013303310334).

The spelling of 221001102210212 in words is "two hundred twenty-one trillion, one billion, one hundred two million, two hundred ten thousand, two hundred twelve".