203320211001121 has 8 divisors (see below), whose sum is σ = 203363236104488. Its totient is φ = 203277190464000.

The previous prime is 203320211001023. The next prime is 203320211001203. The reversal of 203320211001121 is 121100112023302.

It can be written as a sum of positive squares in 4 ways, for example, as 93600032933521 + 109720178067600 = 9674711^2 + 10474740^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203320211001121 - 2³¹ = 203318063517473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203320211002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88667281 + ... + 90931441.

It is an arithmetic number, because the mean of its divisors is an integer number (25420404513061).

Almost surely, 2^{203320211001121} is an apocalyptic number.

It is an amenable number.

203320211001121 is a deficient number, since it is larger than the sum of its proper divisors (43025103367).

203320211001121 is an equidigital number, since it uses as much as digits as its factorization.

203320211001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283123.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 203320211001121 its reverse (121100112023302), we get a palindrome (324420323024423).

The spelling of 203320211001121 in words is "two hundred three trillion, three hundred twenty billion, two hundred eleven million, one thousand, one hundred twenty-one".