203300030121 has 8 divisors (see below), whose sum is σ = 271372309824. Its totient is φ = 135380551920.

The previous prime is 203300030107. The next prime is 203300030147. The reversal of 203300030121 is 121030003302.

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

It is not a de Polignac number, because 203300030121 - 2⁶ = 203300030057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203300030121.

It is not an unprimeable number, because it can be changed into a prime (203300030621) 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, 38197270 + ... + 38202591.

It is an arithmetic number, because the mean of its divisors is an integer number (33921538728).

Almost surely, 2^203300030121 is an apocalyptic number.

It is an amenable number.

203300030121 is a deficient number, since it is larger than the sum of its proper divisors (68072279703).

203300030121 is an equidigital number, since it uses as much as digits as its factorization.

203300030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76400751.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 203300030121 its reverse (121030003302), we get a palindrome (324330033423).

The spelling of 203300030121 in words is "two hundred three billion, three hundred million, thirty thousand, one hundred twenty-one".