11222352481 has 2 divisors, whose sum is σ = 11222352482. Its totient is φ = 11222352480.

The previous prime is 11222352461. The next prime is 11222352509. The reversal of 11222352481 is 18425322211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9626749456 + 1595603025 = 98116^2 + 39945^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222352481 - 2⁷ = 11222352353 is a prime.

It is a super-2 number, since 2×11222352481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11222352461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611176240 + 5611176241.

It is an arithmetic number, because the mean of its divisors is an integer number (5611176241).

Almost surely, 2^11222352481 is an apocalyptic number.

It is an amenable number.

11222352481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222352481 is an equidigital number, since it uses as much as digits as its factorization.

11222352481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 31.

Adding to 11222352481 its reverse (18425322211), we get a palindrome (29647674692).

The spelling of 11222352481 in words is "eleven billion, two hundred twenty-two million, three hundred fifty-two thousand, four hundred eighty-one".