203320200121 has 8 divisors (see below), whose sum is σ = 208056225344. Its totient is φ = 198584522640.

The previous prime is 203320200119. The next prime is 203320200131. The reversal of 203320200121 is 121002023302.

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 203320200121 - 2¹ = 203320200119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203320200095 and 203320200104.

It is not an unprimeable number, because it can be changed into a prime (203320200131) 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, 1381516 + ... + 1521586.

It is an arithmetic number, because the mean of its divisors is an integer number (26007028168).

Almost surely, 2^203320200121 is an apocalyptic number.

It is an amenable number.

203320200121 is a deficient number, since it is larger than the sum of its proper divisors (4736025223).

203320200121 is a wasteful number, since it uses less digits than its factorization.

203320200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173871.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203320200121 its reverse (121002023302), we get a palindrome (324322223423).

The spelling of 203320200121 in words is "two hundred three billion, three hundred twenty million, two hundred thousand, one hundred twenty-one".