221102221210120 has 64 divisors (see below), whose sum is σ = 531666363876480. Its totient is φ = 82460553501696.

The previous prime is 221102221210109. The next prime is 221102221210127. The reversal of 221102221210120 is 21012122201122.

It is not an unprimeable number, because it can be changed into a prime (221102221210127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1519321284 + ... + 1519466803.

It is an arithmetic number, because the mean of its divisors is an integer number (8307286935570).

Almost surely, 2^{221102221210120} is an apocalyptic number.

221102221210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221102221210120 is an abundant number, since it is smaller than the sum of its proper divisors (310564142666360).

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

221102221210120 is a wasteful number, since it uses less digits than its factorization.

221102221210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038788222 (or 3038788218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221102221210120 its reverse (21012122201122), we get a palindrome (242114343411242).

The spelling of 221102221210120 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty".