11101222 has 16 divisors (see below), whose sum is σ = 18273600. Its totient is φ = 5016040.

The previous prime is 11101217. The next prime is 11101231. The reversal of 11101222 is 22210111.

It is a junction number, because it is equal to n+sod(n) for n = 11101199 and 11101208.

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, 2529 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (1142100).

Almost surely, 2^11101222 is an apocalyptic number.

11101222 is a deficient number, since it is larger than the sum of its proper divisors (7172378).

11101222 is a wasteful number, since it uses less digits than its factorization.

11101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11101222 is about 3331.8496364632. The cubic root of 11101222 is about 223.0780960760.

Adding to 11101222 its reverse (22210111), we get a palindrome (33311333).

Subtracting 11101222 from its reverse (22210111), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1110 and 1222, that added together give a palindrome (2332).

The spelling of 11101222 in words is "eleven million, one hundred one thousand, two hundred twenty-two".