120020202121201 has 4 divisors (see below), whose sum is σ = 120020260118004. Its totient is φ = 120020144124400.

The previous prime is 120020202121081. The next prime is 120020202121229. The reversal of 120020202121201 is 102121202020021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102833796490000 + 17186405631201 = 10140700^2 + 4145649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020202121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020202121271) 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, 25774810 + ... + 30072931.

It is an arithmetic number, because the mean of its divisors is an integer number (30005065029501).

Almost surely, 2^{120020202121201} is an apocalyptic number.

It is an amenable number.

120020202121201 is a deficient number, since it is larger than the sum of its proper divisors (57996803).

120020202121201 is an equidigital number, since it uses as much as digits as its factorization.

120020202121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57996802.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120020202121201 its reverse (102121202020021), we get a palindrome (222141404141222).

The spelling of 120020202121201 in words is "one hundred twenty trillion, twenty billion, two hundred two million, one hundred twenty-one thousand, two hundred one".