120331021002001 has 2 divisors, whose sum is σ = 120331021002002. Its totient is φ = 120331021002000.

The previous prime is 120331021001981. The next prime is 120331021002011. The reversal of 120331021002001 is 100200120133021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76227130564225 + 44103890437776 = 8730815^2 + 6641076^2 .

It is a cyclic number.

It is not a de Polignac number, because 120331021002001 - 2²³ = 120331012613393 is a prime.

It is not a weakly prime, because it can be changed into another prime (120331021002011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60165510501000 + 60165510501001.

It is an arithmetic number, because the mean of its divisors is an integer number (60165510501001).

Almost surely, 2^{120331021002001} is an apocalyptic number.

It is an amenable number.

120331021002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120331021002001 is an equidigital number, since it uses as much as digits as its factorization.

120331021002001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120331021002001 its reverse (100200120133021), we get a palindrome (220531141135022).

The spelling of 120331021002001 in words is "one hundred twenty trillion, three hundred thirty-one billion, twenty-one million, two thousand, one".