120021202001 has 2 divisors, whose sum is σ = 120021202002. Its totient is φ = 120021202000.

The previous prime is 120021201991. The next prime is 120021202073. The reversal of 120021202001 is 100202120021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85676217025 + 34344984976 = 292705^2 + 185324^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021202001 - 2²² = 120017007697 is a prime.

It is not a weakly prime, because it can be changed into another prime (120021202601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010601000 + 60010601001.

It is an arithmetic number, because the mean of its divisors is an integer number (60010601001).

Almost surely, 2^120021202001 is an apocalyptic number.

It is an amenable number.

120021202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021202001 is an equidigital number, since it uses as much as digits as its factorization.

120021202001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120021202001 its reverse (100202120021), we get a palindrome (220223322022).

The spelling of 120021202001 in words is "one hundred twenty billion, twenty-one million, two hundred two thousand, one".