10220102221 has 4 divisors (see below), whose sum is σ = 11680116832. Its totient is φ = 8760087612.

The previous prime is 10220102209. The next prime is 10220102237. The reversal of 10220102221 is 12220102201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10220102221 - 2¹¹ = 10220100173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220108221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730007295 + ... + 730007308.

It is an arithmetic number, because the mean of its divisors is an integer number (2920029208).

Almost surely, 2^10220102221 is an apocalyptic number.

It is an amenable number.

10220102221 is a deficient number, since it is larger than the sum of its proper divisors (1460014611).

10220102221 is an equidigital number, since it uses as much as digits as its factorization.

10220102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460014610.

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

Adding to 10220102221 its reverse (12220102201), we get a palindrome (22440204422).

The spelling of 10220102221 in words is "ten billion, two hundred twenty million, one hundred two thousand, two hundred twenty-one".