10000201221121 has 8 divisors (see below), whose sum is σ = 10532745312320. Its totient is φ = 9468278901072.

The previous prime is 10000201221077. The next prime is 10000201221161. The reversal of 10000201221121 is 12112210200001.

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

It is a cyclic number.

It is not a de Polignac number, because 10000201221121 - 2¹⁵ = 10000201188353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000201221161) 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, 155409765 + ... + 155474098.

It is an arithmetic number, because the mean of its divisors is an integer number (1316593164040).

Almost surely, 2^{10000201221121} is an apocalyptic number.

It is an amenable number.

10000201221121 is a deficient number, since it is larger than the sum of its proper divisors (532544091199).

10000201221121 is a wasteful number, since it uses less digits than its factorization.

10000201221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310885575.

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

Adding to 10000201221121 its reverse (12112210200001), we get a palindrome (22112411421122).

The spelling of 10000201221121 in words is "ten trillion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-one".