4021211331001 has 2 divisors, whose sum is σ = 4021211331002. Its totient is φ = 4021211331000.

The previous prime is 4021211330963. The next prime is 4021211331029. The reversal of 4021211331001 is 1001331121204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2995325951401 + 1025885379600 = 1730701^2 + 1012860^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021211331001 - 2¹⁹ = 4021210806713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021211331001.

It is not a weakly prime, because it can be changed into another prime (4021211331031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010605665500 + 2010605665501.

It is an arithmetic number, because the mean of its divisors is an integer number (2010605665501).

Almost surely, 2^{4021211331001} is an apocalyptic number.

It is an amenable number.

4021211331001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021211331001 is an equidigital number, since it uses as much as digits as its factorization.

4021211331001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 4021211331001 its reverse (1001331121204), we get a palindrome (5022542452205).

The spelling of 4021211331001 in words is "four trillion, twenty-one billion, two hundred eleven million, three hundred thirty-one thousand, one".