10010201220121 has 4 divisors (see below), whose sum is σ = 10010222824500. Its totient is φ = 10010179615744.

The previous prime is 10010201220059. The next prime is 10010201220127. The reversal of 10010201220121 is 12102210201001.

10010201220121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 490754890521 + 9519446329600 = 700539^2 + 3085360^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010201220121 - 2²¹ = 10010199122969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10010201220127) 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, 10091596 + ... + 11039053.

It is an arithmetic number, because the mean of its divisors is an integer number (2502555706125).

Almost surely, 2^{10010201220121} is an apocalyptic number.

It is an amenable number.

10010201220121 is a deficient number, since it is larger than the sum of its proper divisors (21604379).

10010201220121 is an equidigital number, since it uses as much as digits as its factorization.

10010201220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21604378.

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

Adding to 10010201220121 its reverse (12102210201001), we get a palindrome (22112411421122).

The spelling of 10010201220121 in words is "ten trillion, ten billion, two hundred one million, two hundred twenty thousand, one hundred twenty-one".