2143002021001 has 2 divisors, whose sum is σ = 2143002021002. Its totient is φ = 2143002021000.

The previous prime is 2143002020989. The next prime is 2143002021059. The reversal of 2143002021001 is 1001202003412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1142121827401 + 1000880193600 = 1068701^2 + 1000440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143002021001 - 2¹⁵ = 2143001988233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143002001001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071501010500 + 1071501010501.

It is an arithmetic number, because the mean of its divisors is an integer number (1071501010501).

Almost surely, 2^{2143002021001} is an apocalyptic number.

It is an amenable number.

2143002021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143002021001 is an equidigital number, since it uses as much as digits as its factorization.

2143002021001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2143002021001 its reverse (1001202003412), we get a palindrome (3144204024413).

The spelling of 2143002021001 in words is "two trillion, one hundred forty-three billion, two million, twenty-one thousand, one".