11222111101 has 4 divisors (see below), whose sum is σ = 11326990752. Its totient is φ = 11117231452.

The previous prime is 11222111093. The next prime is 11222111143. The reversal of 11222111101 is 10111122211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11222111101 - 2³ = 11222111093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222111161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52439665 + ... + 52439878.

It is an arithmetic number, because the mean of its divisors is an integer number (2831747688).

Almost surely, 2^11222111101 is an apocalyptic number.

It is an amenable number.

11222111101 is a deficient number, since it is larger than the sum of its proper divisors (104879651).

11222111101 is a wasteful number, since it uses less digits than its factorization.

11222111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104879650.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11222111101 its reverse (10111122211), we get a palindrome (21333233312).

The spelling of 11222111101 in words is "eleven billion, two hundred twenty-two million, one hundred eleven thousand, one hundred one".