221002110112 has 24 divisors (see below), whose sum is σ = 497254748256. Its totient is φ = 94715189952.

The previous prime is 221002110079. The next prime is 221002110113. The reversal of 221002110112 is 211011200122.

It is a junction number, because it is equal to n+sod(n) for n = 221002110092 and 221002110101.

It is not an unprimeable number, because it can be changed into a prime (221002110113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493308058 + ... + 493308505.

It is an arithmetic number, because the mean of its divisors is an integer number (20718947844).

Almost surely, 2^221002110112 is an apocalyptic number.

It is an amenable number.

221002110112 is an abundant number, since it is smaller than the sum of its proper divisors (276252638144).

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

221002110112 is an equidigital number, since it uses as much as digits as its factorization.

221002110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986616580 (or 986616572 counting only the distinct ones).

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

Adding to 221002110112 its reverse (211011200122), we get a palindrome (432013310234).

The spelling of 221002110112 in words is "two hundred twenty-one billion, two million, one hundred ten thousand, one hundred twelve".