30121030114203 has 16 divisors (see below), whose sum is σ = 45923218067456. Its totient is φ = 17202827640960.

The previous prime is 30121030114183. The next prime is 30121030114243. The reversal of 30121030114203 is 30241103012103.

It is not a de Polignac number, because 30121030114203 - 2⁶ = 30121030114139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30121030114203.

It is not an unprimeable number, because it can be changed into a prime (30121030114243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382858363 + ... + 382937028.

It is an arithmetic number, because the mean of its divisors is an integer number (2870201129216).

Almost surely, 2^{30121030114203} is an apocalyptic number.

30121030114203 is a deficient number, since it is larger than the sum of its proper divisors (15802187953253).

30121030114203 is a wasteful number, since it uses less digits than its factorization.

30121030114203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765797274.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30121030114203 its reverse (30241103012103), we get a palindrome (60362133126306).

The spelling of 30121030114203 in words is "thirty trillion, one hundred twenty-one billion, thirty million, one hundred fourteen thousand, two hundred three".