420011223211 has 2 divisors, whose sum is σ = 420011223212. Its totient is φ = 420011223210.

The previous prime is 420011223193. The next prime is 420011223227. The reversal of 420011223211 is 112322110024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420011223211 - 2⁷ = 420011223083 is a prime.

It is not a weakly prime, because it can be changed into another prime (420011227211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210005611605 + 210005611606.

It is an arithmetic number, because the mean of its divisors is an integer number (210005611606).

Almost surely, 2^420011223211 is an apocalyptic number.

420011223211 is a deficient number, since it is larger than the sum of its proper divisors (1).

420011223211 is an equidigital number, since it uses as much as digits as its factorization.

420011223211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 420011223211 its reverse (112322110024), we get a palindrome (532333333235).

The spelling of 420011223211 in words is "four hundred twenty billion, eleven million, two hundred twenty-three thousand, two hundred eleven".