120203211001 has 2 divisors, whose sum is σ = 120203211002. Its totient is φ = 120203211000.

The previous prime is 120203210983. The next prime is 120203211049. The reversal of 120203211001 is 100112302021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89355557776 + 30847653225 = 298924^2 + 175635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120203211001 is a prime.

It is not a weakly prime, because it can be changed into another prime (120203211061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101605500 + 60101605501.

It is an arithmetic number, because the mean of its divisors is an integer number (60101605501).

Almost surely, 2^120203211001 is an apocalyptic number.

It is an amenable number.

120203211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203211001 is an equidigital number, since it uses as much as digits as its factorization.

120203211001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120203211001 its reverse (100112302021), we get a palindrome (220315513022).

The spelling of 120203211001 in words is "one hundred twenty billion, two hundred three million, two hundred eleven thousand, one".