102221220020010 has 64 divisors (see below), whose sum is σ = 301945757605632. Its totient is φ = 21567554113536.

The previous prime is 102221220020009. The next prime is 102221220020053. The reversal of 102221220020010 is 10020022122201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18721832439 + ... + 18721837898.

It is an arithmetic number, because the mean of its divisors is an integer number (4717902462588).

Almost surely, 2^{102221220020010} is an apocalyptic number.

102221220020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221220020010 is an abundant number, since it is smaller than the sum of its proper divisors (199724537585622).

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

102221220020010 is a wasteful number, since it uses less digits than its factorization.

102221220020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37443670367.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102221220020010 its reverse (10020022122201), we get a palindrome (112241242142211).

The spelling of 102221220020010 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty million, twenty thousand, ten".