120557300221 has 4 divisors (see below), whose sum is σ = 121163116000. Its totient is φ = 119951484444.

The previous prime is 120557300209. The next prime is 120557300231. The reversal of 120557300221 is 122003755021.

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 120557300221 - 2¹⁷ = 120557169149 is a prime.

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 120557300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120557300231) 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, 302907591 + ... + 302907988.

It is an arithmetic number, because the mean of its divisors is an integer number (30290779000).

Almost surely, 2^120557300221 is an apocalyptic number.

It is an amenable number.

120557300221 is a deficient number, since it is larger than the sum of its proper divisors (605815779).

120557300221 is an equidigital number, since it uses as much as digits as its factorization.

120557300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605815778.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 120557300221 in words is "one hundred twenty billion, five hundred fifty-seven million, three hundred thousand, two hundred twenty-one".