120030121010221 has 4 divisors (see below), whose sum is σ = 121720686094944. Its totient is φ = 118339555925500.

The previous prime is 120030121010213. The next prime is 120030121010281. The reversal of 120030121010221 is 122010121030021.

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 120030121010221 - 2³ = 120030121010213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120030121010195 and 120030121010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120030121010281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845282542255 + ... + 845282542396.

It is an arithmetic number, because the mean of its divisors is an integer number (30430171523736).

Almost surely, 2^{120030121010221} is an apocalyptic number.

It is an amenable number.

120030121010221 is a deficient number, since it is larger than the sum of its proper divisors (1690565084723).

120030121010221 is an equidigital number, since it uses as much as digits as its factorization.

120030121010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690565084722.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120030121010221 its reverse (122010121030021), we get a palindrome (242040242040242).

The spelling of 120030121010221 in words is "one hundred twenty trillion, thirty billion, one hundred twenty-one million, ten thousand, two hundred twenty-one".