11122222012112 has 10 divisors (see below), whose sum is σ = 21549305148498. Its totient is φ = 5561111006048.

The previous prime is 11122222012079. The next prime is 11122222012141. The reversal of 11122222012112 is 21121022222111.

It can be written as a sum of positive squares in only one way, i.e., 9497096773696 + 1625125238416 = 3081736^2 + 1274804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347569437863 + ... + 347569437894.

Almost surely, 2^{11122222012112} is an apocalyptic number.

It is an amenable number.

11122222012112 is a deficient number, since it is larger than the sum of its proper divisors (10427083136386).

11122222012112 is an equidigital number, since it uses as much as digits as its factorization.

11122222012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695138875765 (or 695138875759 counting only the distinct ones).

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

Adding to 11122222012112 its reverse (21121022222111), we get a palindrome (32243244234223).

The spelling of 11122222012112 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, twelve thousand, one hundred twelve".