11100122222 has 32 divisors (see below), whose sum is σ = 20448868608. Its totient is φ = 4410527616.

The previous prime is 11100122203. The next prime is 11100122233. The reversal of 11100122222 is 22222100111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11100122197 and 11100122206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332108 + ... + 363999.

It is an arithmetic number, because the mean of its divisors is an integer number (639027144).

Almost surely, 2^11100122222 is an apocalyptic number.

11100122222 is a deficient number, since it is larger than the sum of its proper divisors (9348746386).

11100122222 is a wasteful number, since it uses less digits than its factorization.

11100122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696200.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11100122222 its reverse (22222100111), we get a palindrome (33322222333).

The spelling of 11100122222 in words is "eleven billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-two".