102221000120 has 32 divisors (see below), whose sum is σ = 230097067200. Its totient is φ = 40870654848.

The previous prime is 102221000113. The next prime is 102221000143. The reversal of 102221000120 is 21000122201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461024 + ... + 645743.

It is an arithmetic number, because the mean of its divisors is an integer number (7190533350).

Almost surely, 2^102221000120 is an apocalyptic number.

102221000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221000120 is an abundant number, since it is smaller than the sum of its proper divisors (127876067080).

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

102221000120 is a wasteful number, since it uses less digits than its factorization.

102221000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109087 (or 1109083 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102221000120 its reverse (21000122201), we get a palindrome (123221122321).

The spelling of 102221000120 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty", and thus it is an aban number.