11222222111110 has 16 divisors (see below), whose sum is σ = 20200059367056. Its totient is φ = 4488875607328.

The previous prime is 11222222111081. The next prime is 11222222111129. The reversal of 11222222111110 is 1111122222211.

It is a happy number.

It is a super-2 number, since 2×11222222111110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 2372877 + ... + 5298583.

It is an arithmetic number, because the mean of its divisors is an integer number (1262503710441).

Almost surely, 2^{11222222111110} is an apocalyptic number.

11222222111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222222111110 is a deficient number, since it is larger than the sum of its proper divisors (8977837255946).

11222222111110 is a wasteful number, since it uses less digits than its factorization.

11222222111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309287.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11222222111110 its reverse (1111122222211), we get a palindrome (12333344333321).

The spelling of 11222222111110 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, one hundred ten".