10010201102221 has 4 divisors (see below), whose sum is σ = 10025817641244. Its totient is φ = 9994584563200.

The previous prime is 10010201102197. The next prime is 10010201102261. The reversal of 10010201102221 is 12220110201001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9241052808100 + 769148294121 = 3039910^2 + 877011^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010201102221 - 2⁵ = 10010201102189 is a prime.

It is a super-2 number, since 2×10010201102221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010201102261) 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, 7808268550 + ... + 7808269831.

It is an arithmetic number, because the mean of its divisors is an integer number (2506454410311).

Almost surely, 2^{10010201102221} is an apocalyptic number.

It is an amenable number.

10010201102221 is a deficient number, since it is larger than the sum of its proper divisors (15616539023).

10010201102221 is an equidigital number, since it uses as much as digits as its factorization.

10010201102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15616539022.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10010201102221 its reverse (12220110201001), we get a palindrome (22230311303222).

The spelling of 10010201102221 in words is "ten trillion, ten billion, two hundred one million, one hundred two thousand, two hundred twenty-one".