120201221001 has 8 divisors (see below), whose sum is σ = 160272417760. Its totient is φ = 80132085792.

The previous prime is 120201220987. The next prime is 120201221009. The reversal of 120201221001 is 100122102021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120201221001 - 2¹¹ = 120201218953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201221009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373780 + ... + 616533.

It is an arithmetic number, because the mean of its divisors is an integer number (20034052220).

Almost surely, 2^120201221001 is an apocalyptic number.

It is an amenable number.

120201221001 is a deficient number, since it is larger than the sum of its proper divisors (40071196759).

120201221001 is an equidigital number, since it uses as much as digits as its factorization.

120201221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030775.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120201221001 its reverse (100122102021), we get a palindrome (220323323022).

The spelling of 120201221001 in words is "one hundred twenty billion, two hundred one million, two hundred twenty-one thousand, one".