11101111222 has 16 divisors (see below), whose sum is σ = 17202898944. Its totient is φ = 5367105000.

The previous prime is 11101111183. The next prime is 11101111261. The reversal of 11101111222 is 22211110111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11101111183) and next prime (11101111261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3597 + ... + 149047.

It is an arithmetic number, because the mean of its divisors is an integer number (1075181184).

Almost surely, 2^11101111222 is an apocalyptic number.

11101111222 is a deficient number, since it is larger than the sum of its proper divisors (6101787722).

11101111222 is a wasteful number, since it uses less digits than its factorization.

11101111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146715.

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

Adding to 11101111222 its reverse (22211110111), we get a palindrome (33312221333).

The spelling of 11101111222 in words is "eleven billion, one hundred one million, one hundred eleven thousand, two hundred twenty-two".