4021404422051 has 2 divisors, whose sum is σ = 4021404422052. Its totient is φ = 4021404422050.

The previous prime is 4021404422033. The next prime is 4021404422069. The reversal of 4021404422051 is 1502244041204.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (4021404422033) and next prime (4021404422069).

It is a cyclic number.

It is not a de Polignac number, because 4021404422051 - 2⁶ = 4021404421987 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021404422071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010702211025 + 2010702211026.

It is an arithmetic number, because the mean of its divisors is an integer number (2010702211026).

Almost surely, 2^{4021404422051} is an apocalyptic number.

4021404422051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021404422051 is an equidigital number, since it uses as much as digits as its factorization.

4021404422051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 4021404422051 its reverse (1502244041204), we get a palindrome (5523648463255).

The spelling of 4021404422051 in words is "four trillion, twenty-one billion, four hundred four million, four hundred twenty-two thousand, fifty-one".