11222102222 has 4 divisors (see below), whose sum is σ = 16833153336. Its totient is φ = 5611051110.

The previous prime is 11222102219. The next prime is 11222102231. The reversal of 11222102222 is 22220122211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11222102222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805525554 + ... + 2805525557.

It is an arithmetic number, because the mean of its divisors is an integer number (4208288334).

Almost surely, 2^11222102222 is an apocalyptic number.

11222102222 is a deficient number, since it is larger than the sum of its proper divisors (5611051114).

11222102222 is an equidigital number, since it uses as much as digits as its factorization.

11222102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611051113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222102222 its reverse (22220122211), we get a palindrome (33442224433).

The spelling of 11222102222 in words is "eleven billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty-two".