102221000201020 has 24 divisors (see below), whose sum is σ = 214835969250000. Its totient is φ = 40855663160832.

The previous prime is 102221000201017. The next prime is 102221000201069. The reversal of 102221000201020 is 20102000122201.

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, 2046031870 + ... + 2046081829.

It is an arithmetic number, because the mean of its divisors is an integer number (8951498718750).

Almost surely, 2^{102221000201020} is an apocalyptic number.

102221000201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221000201020 is an abundant number, since it is smaller than the sum of its proper divisors (112614969048980).

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

102221000201020 is a wasteful number, since it uses less digits than its factorization.

102221000201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092114957 (or 4092114955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102221000201020 its reverse (20102000122201), we get a palindrome (122323000323221).

The spelling of 102221000201020 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred one thousand, twenty".