203122100320401 has 8 divisors (see below), whose sum is σ = 274539459794080. Its totient is φ = 133559737196832.

The previous prime is 203122100320339. The next prime is 203122100320427. The reversal of 203122100320401 is 104023001221302.

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

It is not a de Polignac number, because 203122100320401 - 2¹¹ = 203122100318353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203122100320441) 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, 463749087271 + ... + 463749087708.

It is an arithmetic number, because the mean of its divisors is an integer number (34317432474260).

Almost surely, 2^{203122100320401} is an apocalyptic number.

It is an amenable number.

203122100320401 is a deficient number, since it is larger than the sum of its proper divisors (71417359473679).

203122100320401 is an equidigital number, since it uses as much as digits as its factorization.

203122100320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927498175055.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 203122100320401 its reverse (104023001221302), we get a palindrome (307145101541703).

Subtracting from 203122100320401 its reverse (104023001221302), we obtain a palindrome (99099099099099).

The spelling of 203122100320401 in words is "two hundred three trillion, one hundred twenty-two billion, one hundred million, three hundred twenty thousand, four hundred one".