11013221101 has 2 divisors, whose sum is σ = 11013221102. Its totient is φ = 11013221100.

The previous prime is 11013221099. The next prime is 11013221111. The reversal of 11013221101 is 10112231011.

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., 6007800100 + 5005421001 = 77510^2 + 70749^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013221101 - 2¹ = 11013221099 is a prime.

Together with 11013221099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013221111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506610550 + 5506610551.

It is an arithmetic number, because the mean of its divisors is an integer number (5506610551).

Almost surely, 2^11013221101 is an apocalyptic number.

It is an amenable number.

11013221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013221101 is an equidigital number, since it uses as much as digits as its factorization.

11013221101 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 11013221101 its reverse (10112231011), we get a palindrome (21125452112).

The spelling of 11013221101 in words is "eleven billion, thirteen million, two hundred twenty-one thousand, one hundred one".