10203321020113 has 4 divisors (see below), whose sum is σ = 10988191867828. Its totient is φ = 9418450172400.

The previous prime is 10203321020071. The next prime is 10203321020117. The reversal of 10203321020113 is 31102012330201.

10203321020113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1046021653504 + 9157299366609 = 1022752^2 + 3026103^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203321020113 - 2²⁵ = 10203287465681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203321020117) 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, 392435423838 + ... + 392435423863.

It is an arithmetic number, because the mean of its divisors is an integer number (2747047966957).

Almost surely, 2^{10203321020113} is an apocalyptic number.

10203321020113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10203321020113 is a deficient number, since it is larger than the sum of its proper divisors (784870847715).

10203321020113 is an equidigital number, since it uses as much as digits as its factorization.

10203321020113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784870847714.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10203321020113 its reverse (31102012330201), we get a palindrome (41305333350314).

The spelling of 10203321020113 in words is "ten trillion, two hundred three billion, three hundred twenty-one million, twenty thousand, one hundred thirteen".