10220020201221 has 8 divisors (see below), whose sum is σ = 13631234331264. Its totient is φ = 6811076436000.

The previous prime is 10220020201169. The next prime is 10220020201333. The reversal of 10220020201221 is 12210202002201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10220020201221 - 2⁴³ = 1423927179013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10220020201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220020201421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567580701 + ... + 567598706.

It is an arithmetic number, because the mean of its divisors is an integer number (1703904291408).

Almost surely, 2^{10220020201221} is an apocalyptic number.

It is an amenable number.

10220020201221 is a deficient number, since it is larger than the sum of its proper divisors (3411214130043).

10220020201221 is a wasteful number, since it uses less digits than its factorization.

10220020201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135182411.

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

Adding to 10220020201221 its reverse (12210202002201), we get a palindrome (22430222203422).

The spelling of 10220020201221 in words is "ten trillion, two hundred twenty billion, twenty million, two hundred one thousand, two hundred twenty-one".