121030300009 has 4 divisors (see below), whose sum is σ = 125203758660. Its totient is φ = 116856841360.

The previous prime is 121030299989. The next prime is 121030300033. The reversal of 121030300009 is 900003030121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95730216409 + 25300083600 = 309403^2 + 159060^2 .

It is a cyclic number.

It is not a de Polignac number, because 121030300009 - 2²³ = 121021911401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121030300109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086729282 + ... + 2086729339.

It is an arithmetic number, because the mean of its divisors is an integer number (31300939665).

Almost surely, 2^121030300009 is an apocalyptic number.

It is an amenable number.

121030300009 is a deficient number, since it is larger than the sum of its proper divisors (4173458651).

121030300009 is an equidigital number, since it uses as much as digits as its factorization.

121030300009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173458650.

The product of its (nonzero) digits is 162, while the sum is 19.

The spelling of 121030300009 in words is "one hundred twenty-one billion, thirty million, three hundred thousand, nine".