11222100111 has 16 divisors (see below), whose sum is σ = 15488221184. Its totient is φ = 7221874464.

The previous prime is 11222100083. The next prime is 11222100121. The reversal of 11222100111 is 11100122211.

It is not a de Polignac number, because 11222100111 - 2⁵ = 11222100079 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 (11222100121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383935 + ... + 412128.

It is an arithmetic number, because the mean of its divisors is an integer number (968013824).

Almost surely, 2^11222100111 is an apocalyptic number.

11222100111 is a deficient number, since it is larger than the sum of its proper divisors (4266121073).

11222100111 is a wasteful number, since it uses less digits than its factorization.

11222100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796230.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11222100111 its reverse (11100122211), we get a palindrome (22322222322).

It can be divided in two parts, 11222100 and 111, that added together give a palindrome (11222211).

The spelling of 11222100111 in words is "eleven billion, two hundred twenty-two million, one hundred thousand, one hundred eleven".