121030320329 has 4 divisors (see below), whose sum is σ = 122734972800. Its totient is φ = 119325667860.

The previous prime is 121030320277. The next prime is 121030320347. The reversal of 121030320329 is 923023030121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121030320329 - 2¹² = 121030316233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121030320298 and 121030320307.

It is not an unprimeable number, because it can be changed into a prime (121030320349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852326129 + ... + 852326270.

It is an arithmetic number, because the mean of its divisors is an integer number (30683743200).

Almost surely, 2^121030320329 is an apocalyptic number.

It is an amenable number.

121030320329 is a deficient number, since it is larger than the sum of its proper divisors (1704652471).

121030320329 is an equidigital number, since it uses as much as digits as its factorization.

121030320329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704652470.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 121030320329 in words is "one hundred twenty-one billion, thirty million, three hundred twenty thousand, three hundred twenty-nine".