120321021001 has 4 divisors (see below), whose sum is σ = 122360360400. Its totient is φ = 118281681604.

The previous prime is 120321020987. The next prime is 120321021013. The reversal of 120321021001 is 100120123021.

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 120321021001 - 2⁵ = 120321020969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120321021071) 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, 1019669611 + ... + 1019669728.

It is an arithmetic number, because the mean of its divisors is an integer number (30590090100).

Almost surely, 2^120321021001 is an apocalyptic number.

It is an amenable number.

120321021001 is a deficient number, since it is larger than the sum of its proper divisors (2039339399).

120321021001 is an equidigital number, since it uses as much as digits as its factorization.

120321021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039339398.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120321021001 its reverse (100120123021), we get a palindrome (220441144022).

The spelling of 120321021001 in words is "one hundred twenty billion, three hundred twenty-one million, twenty-one thousand, one".