203302012121113 has 4 divisors (see below), whose sum is σ = 203824639402020. Its totient is φ = 202779384840208.

The previous prime is 203302012121101. The next prime is 203302012121119. The reversal of 203302012121113 is 311121210203302.

203302012121113 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 117837386115849 + 85464626005264 = 10855293^2 + 9244708^2 .

It is a cyclic number.

It is not a de Polignac number, because 203302012121113 - 2⁵ = 203302012121081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203302012121119) 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, 261313639870 + ... + 261313640647.

It is an arithmetic number, because the mean of its divisors is an integer number (50956159850505).

Almost surely, 2^{203302012121113} is an apocalyptic number.

It is an amenable number.

203302012121113 is a deficient number, since it is larger than the sum of its proper divisors (522627280907).

203302012121113 is an equidigital number, since it uses as much as digits as its factorization.

203302012121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522627280906.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 203302012121113 its reverse (311121210203302), we get a palindrome (514423222324415).

The spelling of 203302012121113 in words is "two hundred three trillion, three hundred two billion, twelve million, one hundred twenty-one thousand, one hundred thirteen".