10202001121121 has 8 divisors (see below), whose sum is σ = 10262338837920. Its totient is φ = 10141804877472.

The previous prime is 10202001121099. The next prime is 10202001121157. The reversal of 10202001121121 is 12112110020201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202001121121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202001121096 and 10202001121105.

It is not an unprimeable number, because it can be changed into a prime (10202001121621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35223635 + ... + 35512088.

It is an arithmetic number, because the mean of its divisors is an integer number (1282792354740).

Almost surely, 2^{10202001121121} is an apocalyptic number.

It is an amenable number.

10202001121121 is a deficient number, since it is larger than the sum of its proper divisors (60337716799).

10202001121121 is an equidigital number, since it uses as much as digits as its factorization.

10202001121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70736575.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10202001121121 its reverse (12112110020201), we get a palindrome (22314111141322).

The spelling of 10202001121121 in words is "ten trillion, two hundred two billion, one million, one hundred twenty-one thousand, one hundred twenty-one".