1040420211001 has 2 divisors, whose sum is σ = 1040420211002. Its totient is φ = 1040420211000.

The previous prime is 1040420210989. The next prime is 1040420211043. The reversal of 1040420211001 is 1001120240401.

It is a happy number.

1040420211001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 805190360976 + 235229850025 = 897324^2 + 485005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040420211001 - 2¹⁵ = 1040420178233 is a prime.

It is a super-2 number, since 2×1040420211001² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1040421211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520210105500 + 520210105501.

It is an arithmetic number, because the mean of its divisors is an integer number (520210105501).

Almost surely, 2^{1040420211001} is an apocalyptic number.

It is an amenable number.

1040420211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040420211001 is an equidigital number, since it uses as much as digits as its factorization.

1040420211001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1040420211001 its reverse (1001120240401), we get a palindrome (2041540451402).

The spelling of 1040420211001 in words is "one trillion, forty billion, four hundred twenty million, two hundred eleven thousand, one".