4021423340101 has 2 divisors, whose sum is σ = 4021423340102. Its totient is φ = 4021423340100.

The previous prime is 4021423340071. The next prime is 4021423340117. The reversal of 4021423340101 is 1010433241204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4015110243076 + 6313097025 = 2003774^2 + 79455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021423340101 - 2⁹ = 4021423339589 is a prime.

It is a super-2 number, since 2×4021423340101² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021423340201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010711670050 + 2010711670051.

It is an arithmetic number, because the mean of its divisors is an integer number (2010711670051).

Almost surely, 2^{4021423340101} is an apocalyptic number.

It is an amenable number.

4021423340101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021423340101 is an equidigital number, since it uses as much as digits as its factorization.

4021423340101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4021423340101 its reverse (1010433241204), we get a palindrome (5031856581305).

The spelling of 4021423340101 in words is "four trillion, twenty-one billion, four hundred twenty-three million, three hundred forty thousand, one hundred one".