10020331010121 has 4 divisors (see below), whose sum is σ = 13360441346832. Its totient is φ = 6680220673412.

The previous prime is 10020331010119. The next prime is 10020331010177. The reversal of 10020331010121 is 12101013302001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10020331010121 - 2¹ = 10020331010119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10020331010121.

It is not an unprimeable number, because it can be changed into a prime (10020331010191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670055168351 + ... + 1670055168356.

It is an arithmetic number, because the mean of its divisors is an integer number (3340110336708).

Almost surely, 2^{10020331010121} is an apocalyptic number.

It is an amenable number.

10020331010121 is a deficient number, since it is larger than the sum of its proper divisors (3340110336711).

10020331010121 is an equidigital number, since it uses as much as digits as its factorization.

10020331010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340110336710.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10020331010121 its reverse (12101013302001), we get a palindrome (22121344312122).

The spelling of 10020331010121 in words is "ten trillion, twenty billion, three hundred thirty-one million, ten thousand, one hundred twenty-one".