203122420202401 has 32 divisors (see below), whose sum is σ = 233268591605760. Its totient is φ = 173260371233664.

The previous prime is 203122420202347. The next prime is 203122420202407. The reversal of 203122420202401 is 104202024221302.

It is a cyclic number.

It is not a de Polignac number, because 203122420202401 - 2¹¹ = 203122420200353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203122420202407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10144444876 + ... + 10144464898.

It is an arithmetic number, because the mean of its divisors is an integer number (7289643487680).

Almost surely, 2^{203122420202401} is an apocalyptic number.

It is an amenable number.

203122420202401 is a deficient number, since it is larger than the sum of its proper divisors (30146171403359).

203122420202401 is a wasteful number, since it uses less digits than its factorization.

203122420202401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 203122420202401 its reverse (104202024221302), we get a palindrome (307324444423703).

The spelling of 203122420202401 in words is "two hundred three trillion, one hundred twenty-two billion, four hundred twenty million, two hundred two thousand, four hundred one".