221010012022012 has 24 divisors (see below), whose sum is σ = 390598737504192. Its totient is φ = 109410383016000.

The previous prime is 221010012021991. The next prime is 221010012022021. The reversal of 221010012022012 is 210220210010122.

It is a happy number.

It is a congruent 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, 93445198 + ... + 95781130.

It is an arithmetic number, because the mean of its divisors is an integer number (16274947396008).

Almost surely, 2^{221010012022012} is an apocalyptic number.

It is an amenable number.

221010012022012 is a deficient number, since it is larger than the sum of its proper divisors (169588725482180).

221010012022012 is a wasteful number, since it uses less digits than its factorization.

221010012022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570229 (or 2570227 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221010012022012 its reverse (210220210010122), we get a palindrome (431230222032134).

The spelling of 221010012022012 in words is "two hundred twenty-one trillion, ten billion, twelve million, twenty-two thousand, twelve".