220211004427 has 2 divisors, whose sum is σ = 220211004428. Its totient is φ = 220211004426.

The previous prime is 220211004331. The next prime is 220211004437. The reversal of 220211004427 is 724400112022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220211004427 - 2³⁵ = 185851266059 is a prime.

It is not a weakly prime, because it can be changed into another prime (220211004437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105502213 + 110105502214.

It is an arithmetic number, because the mean of its divisors is an integer number (110105502214).

Almost surely, 2^220211004427 is an apocalyptic number.

220211004427 is a deficient number, since it is larger than the sum of its proper divisors (1).

220211004427 is an equidigital number, since it uses as much as digits as its factorization.

220211004427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 220211004427 its reverse (724400112022), we get a palindrome (944611116449).

The spelling of 220211004427 in words is "two hundred twenty billion, two hundred eleven million, four thousand, four hundred twenty-seven".