4022024121991 has 2 divisors, whose sum is σ = 4022024121992. Its totient is φ = 4022024121990.

The previous prime is 4022024121979. The next prime is 4022024122001. The reversal of 4022024121991 is 1991214202204.

4022024121991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4022024121991 - 2¹⁹ = 4022023597703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4022024121991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022024121191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011012060995 + 2011012060996.

It is an arithmetic number, because the mean of its divisors is an integer number (2011012060996).

Almost surely, 2^{4022024121991} is an apocalyptic number.

4022024121991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022024121991 is an equidigital number, since it uses as much as digits as its factorization.

4022024121991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 4022024121991 in words is "four trillion, twenty-two billion, twenty-four million, one hundred twenty-one thousand, nine hundred ninety-one".