221001002001112 has 16 divisors (see below), whose sum is σ = 414378888255360. Its totient is φ = 110499965133024.

The previous prime is 221001002001107. The next prime is 221001002001167. The reversal of 221001002001112 is 211100200100122.

It is a junction number, because it is equal to n+sod(n) for n = 221001002001092 and 221001002001101.

It is a congruent number.

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, 65227963 + ... + 68532394.

It is an arithmetic number, because the mean of its divisors is an integer number (25898680515960).

Almost surely, 2^{221001002001112} is an apocalyptic number.

It is an amenable number.

221001002001112 is a deficient number, since it is larger than the sum of its proper divisors (193377886254248).

221001002001112 is a wasteful number, since it uses less digits than its factorization.

221001002001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133966890 (or 133966886 counting only the distinct ones).

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

Adding to 221001002001112 its reverse (211100200100122), we get a palindrome (432101202101234).

The spelling of 221001002001112 in words is "two hundred twenty-one trillion, one billion, two million, one thousand, one hundred twelve".