221110112010212 has 12 divisors (see below), whose sum is σ = 390699421222656. Its totient is φ = 109481705946600.

The previous prime is 221110112010197. The next prime is 221110112010239. The reversal of 221110112010212 is 212010211011122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268337514164 + ... + 268337514987.

It is an arithmetic number, because the mean of its divisors is an integer number (32558285101888).

Almost surely, 2^{221110112010212} is an apocalyptic number.

It is an amenable number.

221110112010212 is a deficient number, since it is larger than the sum of its proper divisors (169589309212444).

221110112010212 is a wasteful number, since it uses less digits than its factorization.

221110112010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536675029258 (or 536675029256 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221110112010212 its reverse (212010211011122), we get a palindrome (433120323021334).

The spelling of 221110112010212 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred twelve million, ten thousand, two hundred twelve".