10020022102221 has 16 divisors (see below), whose sum is σ = 13686189390720. Its totient is φ = 6516942049280.

The previous prime is 10020022102199. The next prime is 10020022102231. The reversal of 10020022102221 is 12220122002001.

It is not a de Polignac number, because 10020022102221 - 2¹⁸ = 10020021840077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10020022102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020022102231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4765840 + ... + 6538598.

It is an arithmetic number, because the mean of its divisors is an integer number (855386836920).

Almost surely, 2^{10020022102221} is an apocalyptic number.

It is an amenable number.

10020022102221 is a deficient number, since it is larger than the sum of its proper divisors (3666167288499).

10020022102221 is a wasteful number, since it uses less digits than its factorization.

10020022102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818756.

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

Adding to 10020022102221 its reverse (12220122002001), we get a palindrome (22240144104222).

The spelling of 10020022102221 in words is "ten trillion, twenty billion, twenty-two million, one hundred two thousand, two hundred twenty-one".