11221110222212 has 24 divisors (see below), whose sum is σ = 21429767776032. Its totient is φ = 5098683632000.

The previous prime is 11221110222199. The next prime is 11221110222263. The reversal of 11221110222212 is 21222201112211.

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, 45400718 + ... + 45647205.

It is an arithmetic number, because the mean of its divisors is an integer number (892906990668).

Almost surely, 2^{11221110222212} is an apocalyptic number.

It is an amenable number.

11221110222212 is a deficient number, since it is larger than the sum of its proper divisors (10208657553820).

11221110222212 is a wasteful number, since it uses less digits than its factorization.

11221110222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91050739 (or 91050737 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11221110222212 its reverse (21222201112211), we get a palindrome (32443311334423).

The spelling of 11221110222212 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-two thousand, two hundred twelve".