203122120101 has 16 divisors (see below), whose sum is σ = 277163694720. Its totient is φ = 132282642240.

The previous prime is 203122120099. The next prime is 203122120109. The reversal of 203122120101 is 101021221302.

203122120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203122120101 - 2¹ = 203122120099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122120109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4351210 + ... + 4397643.

It is an arithmetic number, because the mean of its divisors is an integer number (17322730920).

Almost surely, 2^203122120101 is an apocalyptic number.

It is an amenable number.

203122120101 is a deficient number, since it is larger than the sum of its proper divisors (74041574619).

203122120101 is a wasteful number, since it uses less digits than its factorization.

203122120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749036.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 203122120101 its reverse (101021221302), we get a palindrome (304143341403).

The spelling of 203122120101 in words is "two hundred three billion, one hundred twenty-two million, one hundred twenty thousand, one hundred one".