11102210022222 has 40 divisors (see below), whose sum is σ = 27138735614232. Its totient is φ = 3364306066800.

The previous prime is 11102210022203. The next prime is 11102210022287. The reversal of 11102210022222 is 22222001220111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11102210022195 and 11102210022204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3115096429 + ... + 3115099992.

Almost surely, 2^{11102210022222} is an apocalyptic number.

11102210022222 is an abundant number, since it is smaller than the sum of its proper divisors (16036525592010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11102210022222 is a wasteful number, since it uses less digits than its factorization.

11102210022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230196446 (or 6230196437 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11102210022222 its reverse (22222001220111), we get a palindrome (33324211242333).

The spelling of 11102210022222 in words is "eleven trillion, one hundred two billion, two hundred ten million, twenty-two thousand, two hundred twenty-two".