11221110202222 has 32 divisors (see below), whose sum is σ = 17026461476640. Its totient is φ = 5545872437760.

The previous prime is 11221110202171. The next prime is 11221110202243. The reversal of 11221110202222 is 22220201112211.

It is a self number, because there is not a number n which added to its sum of digits gives 11221110202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041783697 + ... + 1041794467.

It is an arithmetic number, because the mean of its divisors is an integer number (532076921145).

Almost surely, 2^{11221110202222} is an apocalyptic number.

11221110202222 is a deficient number, since it is larger than the sum of its proper divisors (5805351274418).

11221110202222 is a wasteful number, since it uses less digits than its factorization.

11221110202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21796.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11221110202222 its reverse (22220201112211), we get a palindrome (33441311314433).

The spelling of 11221110202222 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, two hundred two thousand, two hundred twenty-two".