20214421411 has 2 divisors, whose sum is σ = 20214421412. Its totient is φ = 20214421410.

The previous prime is 20214421399. The next prime is 20214421417. The reversal of 20214421411 is 11412441202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20214421411 - 2⁹ = 20214420899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20214421417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107210705 + 10107210706.

It is an arithmetic number, because the mean of its divisors is an integer number (10107210706).

Almost surely, 2^20214421411 is an apocalyptic number.

20214421411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214421411 is an equidigital number, since it uses as much as digits as its factorization.

20214421411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 20214421411 its reverse (11412441202), we get a palindrome (31626862613).

The spelling of 20214421411 in words is "twenty billion, two hundred fourteen million, four hundred twenty-one thousand, four hundred eleven".