221010110210112 has 56 divisors (see below), whose sum is σ = 584759097338496. Its totient is φ = 73669636013568.

The previous prime is 221010110210033. The next prime is 221010110210159. The reversal of 221010110210112 is 211012011010122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221010110210091 and 221010110210100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33364078 + ... + 39435794.

Almost surely, 2^{221010110210112} is an apocalyptic number.

It is an amenable number.

221010110210112 is an abundant number, since it is smaller than the sum of its proper divisors (363748987128384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221010110210112 is a wasteful number, since it uses less digits than its factorization.

221010110210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261315 (or 6261305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221010110210112 its reverse (211012011010122), we get a palindrome (432022121220234).

The spelling of 221010110210112 in words is "two hundred twenty-one trillion, ten billion, one hundred ten million, two hundred ten thousand, one hundred twelve".