226813111001 has 2 divisors, whose sum is σ = 226813111002. Its totient is φ = 226813111000.

The previous prime is 226813110991. The next prime is 226813111027. The reversal of 226813111001 is 100111318622.

It is an a-pointer prime, because the next prime (226813111027) can be obtained adding 226813111001 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210607566400 + 16205544601 = 458920^2 + 127301^2 .

It is a cyclic number.

It is not a de Polignac number, because 226813111001 - 2²⁶ = 226746002137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (226813111051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113406555500 + 113406555501.

It is an arithmetic number, because the mean of its divisors is an integer number (113406555501).

Almost surely, 2^226813111001 is an apocalyptic number.

It is an amenable number.

226813111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

226813111001 is an equidigital number, since it uses as much as digits as its factorization.

226813111001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 226813111001 its reverse (100111318622), we get a palindrome (326924429623).

The spelling of 226813111001 in words is "two hundred twenty-six billion, eight hundred thirteen million, one hundred eleven thousand, one".