221001020110012 has 12 divisors (see below), whose sum is σ = 386851232837440. Its totient is φ = 110472096442176.

The previous prime is 221001020109967. The next prime is 221001020110061. The reversal of 221001020110012 is 210011020100122.

It is a junction number, because it is equal to n+sod(n) for n = 221001020109974 and 221001020110001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103385708 + ... + 7103416819.

Almost surely, 2^{221001020110012} is an apocalyptic number.

It is an amenable number.

221001020110012 is a deficient number, since it is larger than the sum of its proper divisors (165850212727428).

221001020110012 is a wasteful number, since it uses less digits than its factorization.

221001020110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206806420 (or 14206806418 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221001020110012 its reverse (210011020100122), we get a palindrome (431012040210134).

The spelling of 221001020110012 in words is "two hundred twenty-one trillion, one billion, twenty million, one hundred ten thousand, twelve".