102221200002220 has 48 divisors (see below), whose sum is σ = 231179736443040. Its totient is φ = 37742794177536.

The previous prime is 102221200002203. The next prime is 102221200002293. The reversal of 102221200002220 is 22200002122201.

It is a junction number, because it is equal to n+sod(n) for n = 102221200002194 and 102221200002203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21845284 + ... + 26108596.

It is an arithmetic number, because the mean of its divisors is an integer number (4816244509230).

Almost surely, 2^{102221200002220} is an apocalyptic number.

102221200002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221200002220 is an abundant number, since it is smaller than the sum of its proper divisors (128958536440820).

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

102221200002220 is a wasteful number, since it uses less digits than its factorization.

102221200002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355554 (or 4355552 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102221200002220 its reverse (22200002122201), we get a palindrome (124421202124421).

The spelling of 102221200002220 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred million, two thousand, two hundred twenty".