11122212211112 has 32 divisors (see below), whose sum is σ = 20883303272520. Its totient is φ = 5553336349440.

The previous prime is 11122212211093. The next prime is 11122212211129. The reversal of 11122212211112 is 21111221222111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 977515825636 + 10144696385476 = 988694^2 + 3185074^2 .

It is a nude number because it is divisible by every one of its digits.

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, 17533562 + ... + 18156822.

Almost surely, 2^{11122212211112} is an apocalyptic number.

It is an amenable number.

11122212211112 is a deficient number, since it is larger than the sum of its proper divisors (9761091061408).

11122212211112 is a wasteful number, since it uses less digits than its factorization.

11122212211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626381 (or 626377 counting only the distinct ones).

The product of its digits is 64, while the sum is 20.

Adding to 11122212211112 its reverse (21111221222111), we get a palindrome (32233433433223).

The spelling of 11122212211112 in words is "eleven trillion, one hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, one hundred twelve".