10202313432121 has 4 divisors (see below), whose sum is σ = 10270785334500. Its totient is φ = 10133841529744.

The previous prime is 10202313432071. The next prime is 10202313432133. The reversal of 10202313432121 is 12123431320201.

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 4238636852025 + 5963676580096 = 2058795^2 + 2442064^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202313432121 - 2¹¹ = 10202313430073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202313432161) 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, 34235950966 + ... + 34235951263.

It is an arithmetic number, because the mean of its divisors is an integer number (2567696333625).

Almost surely, 2^{10202313432121} is an apocalyptic number.

It is an amenable number.

10202313432121 is a deficient number, since it is larger than the sum of its proper divisors (68471902379).

10202313432121 is an equidigital number, since it uses as much as digits as its factorization.

10202313432121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68471902378.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10202313432121 its reverse (12123431320201), we get a palindrome (22325744752322).

The spelling of 10202313432121 in words is "ten trillion, two hundred two billion, three hundred thirteen million, four hundred thirty-two thousand, one hundred twenty-one".