102122220300 has 72 divisors (see below), whose sum is σ = 311024884800. Its totient is φ = 25799296320.

The previous prime is 102122220271. The next prime is 102122220313. The reversal of 102122220300 is 3022221201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102122220300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8952390 + ... + 8963789.

Almost surely, 2^102122220300 is an apocalyptic number.

102122220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102122220300 is an abundant number, since it is smaller than the sum of its proper divisors (208902664500).

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

102122220300 is a wasteful number, since it uses less digits than its factorization.

102122220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17916215 (or 17916208 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 102122220300 its reverse (3022221201), we get a palindrome (105144441501).

Subtracting from 102122220300 its reverse (3022221201), we obtain a palindrome (99099999099).

The spelling of 102122220300 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty thousand, three hundred".