11102221222 has 8 divisors (see below), whose sum is σ = 16678078776. Its totient is φ = 5542861632.

The previous prime is 11102221211. The next prime is 11102221237. The reversal of 11102221222 is 22212220111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11102221196 and 11102221205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4122808 + ... + 4125499.

It is an arithmetic number, because the mean of its divisors is an integer number (2084759847).

Almost surely, 2^11102221222 is an apocalyptic number.

11102221222 is a deficient number, since it is larger than the sum of its proper divisors (5575857554).

11102221222 is an equidigital number, since it uses as much as digits as its factorization.

11102221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248982.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11102221222 its reverse (22212220111), we get a palindrome (33314441333).

It can be divided in two parts, 11102 and 221222, that added together give a square (232324 = 482²).

The spelling of 11102221222 in words is "eleven billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-two".