2101310203001 has 2 divisors, whose sum is σ = 2101310203002. Its totient is φ = 2101310203000.

The previous prime is 2101310202983. The next prime is 2101310203033. The reversal of 2101310203001 is 1003020131012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1557291847225 + 544018355776 = 1247915^2 + 737576^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101310203001 - 2¹⁴ = 2101310186617 is a prime.

It is a super-2 number, since 2×2101310203001² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2101310203081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050655101500 + 1050655101501.

It is an arithmetic number, because the mean of its divisors is an integer number (1050655101501).

Almost surely, 2^{2101310203001} is an apocalyptic number.

It is an amenable number.

2101310203001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101310203001 is an equidigital number, since it uses as much as digits as its factorization.

2101310203001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2101310203001 its reverse (1003020131012), we get a palindrome (3104330334013).

The spelling of 2101310203001 in words is "two trillion, one hundred one billion, three hundred ten million, two hundred three thousand, one".