10020201022221 has 24 divisors (see below), whose sum is σ = 14468199834240. Its totient is φ = 6165781405056.

The previous prime is 10020201022201. The next prime is 10020201022289. The reversal of 10020201022221 is 12222010202001.

It is not a de Polignac number, because 10020201022221 - 2⁷ = 10020201022093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10020201022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020201022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5562345 + ... + 7140033.

It is an arithmetic number, because the mean of its divisors is an integer number (602841659760).

Almost surely, 2^{10020201022221} is an apocalyptic number.

It is an amenable number.

10020201022221 is a deficient number, since it is larger than the sum of its proper divisors (4447998812019).

10020201022221 is a wasteful number, since it uses less digits than its factorization.

10020201022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590245 (or 1590232 counting only the distinct ones).

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

Adding to 10020201022221 its reverse (12222010202001), we get a palindrome (22242211224222).

The spelling of 10020201022221 in words is "ten trillion, twenty billion, two hundred one million, twenty-two thousand, two hundred twenty-one".