221034411233 has 2 divisors, whose sum is σ = 221034411234. Its totient is φ = 221034411232.

The previous prime is 221034411223. The next prime is 221034411253. The reversal of 221034411233 is 332114430122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220325094544 + 709316689 = 469388^2 + 26633^2 .

It is a cyclic number.

It is not a de Polignac number, because 221034411233 - 2¹² = 221034407137 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 (221034411223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110517205616 + 110517205617.

It is an arithmetic number, because the mean of its divisors is an integer number (110517205617).

Almost surely, 2^221034411233 is an apocalyptic number.

It is an amenable number.

221034411233 is a deficient number, since it is larger than the sum of its proper divisors (1).

221034411233 is an equidigital number, since it uses as much as digits as its factorization.

221034411233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 221034411233 its reverse (332114430122), we get a palindrome (553148841355).

The spelling of 221034411233 in words is "two hundred twenty-one billion, thirty-four million, four hundred eleven thousand, two hundred thirty-three".