4022001142021 has 2 divisors, whose sum is σ = 4022001142022. Its totient is φ = 4022001142020.

The previous prime is 4022001141967. The next prime is 4022001142043. The reversal of 4022001142021 is 1202411002204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3884722740900 + 137278401121 = 1970970^2 + 370511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022001142021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4022001142021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022001142051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011000571010 + 2011000571011.

It is an arithmetic number, because the mean of its divisors is an integer number (2011000571011).

Almost surely, 2^{4022001142021} is an apocalyptic number.

It is an amenable number.

4022001142021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022001142021 is an equidigital number, since it uses as much as digits as its factorization.

4022001142021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 4022001142021 its reverse (1202411002204), we get a palindrome (5224412144225).

The spelling of 4022001142021 in words is "four trillion, twenty-two billion, one million, one hundred forty-two thousand, twenty-one".