10202003304121 has 4 divisors (see below), whose sum is σ = 10450832653044. Its totient is φ = 9953173955200.

The previous prime is 10202003304109. The next prime is 10202003304151. The reversal of 10202003304121 is 12140330020201.

It is a happy number.

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 352166286096 + 9849837018025 = 593436^2 + 3138445^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202003304121 - 2¹⁷ = 10202003173049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202003304151) 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 3 ways as a sum of consecutive naturals, for example, 124414674400 + ... + 124414674481.

It is an arithmetic number, because the mean of its divisors is an integer number (2612708163261).

Almost surely, 2^{10202003304121} is an apocalyptic number.

It is an amenable number.

10202003304121 is a deficient number, since it is larger than the sum of its proper divisors (248829348923).

10202003304121 is an equidigital number, since it uses as much as digits as its factorization.

10202003304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248829348922.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10202003304121 its reverse (12140330020201), we get a palindrome (22342333324322).

The spelling of 10202003304121 in words is "ten trillion, two hundred two billion, three million, three hundred four thousand, one hundred twenty-one".