11221011103 has 2 divisors, whose sum is σ = 11221011104. Its totient is φ = 11221011102.

The previous prime is 11221011097. The next prime is 11221011163. The reversal of 11221011103 is 30111012211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11221011103 - 2¹³ = 11221002911 is a prime.

It is a super-2 number, since 2×11221011103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221011163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610505551 + 5610505552.

It is an arithmetic number, because the mean of its divisors is an integer number (5610505552).

Almost surely, 2^11221011103 is an apocalyptic number.

11221011103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221011103 is an equidigital number, since it uses as much as digits as its factorization.

11221011103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11221011103 its reverse (30111012211), we get a palindrome (41332023314).

The spelling of 11221011103 in words is "eleven billion, two hundred twenty-one million, eleven thousand, one hundred three".