120201210221 has 4 divisors (see below), whose sum is σ = 120231063072. Its totient is φ = 120171357372.

The previous prime is 120201210169. The next prime is 120201210229. The reversal of 120201210221 is 122012102021.

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 120201210221 - 2³⁴ = 103021341037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120201210196 and 120201210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201210229) 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, 14920385 + ... + 14928438.

It is an arithmetic number, because the mean of its divisors is an integer number (30057765768).

Almost surely, 2^120201210221 is an apocalyptic number.

It is an amenable number.

120201210221 is a deficient number, since it is larger than the sum of its proper divisors (29852851).

120201210221 is an equidigital number, since it uses as much as digits as its factorization.

120201210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29852850.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120201210221 its reverse (122012102021), we get a palindrome (242213312242).

The spelling of 120201210221 in words is "one hundred twenty billion, two hundred one million, two hundred ten thousand, two hundred twenty-one".