111211120212112 has 10 divisors (see below), whose sum is σ = 215471545410998. Its totient is φ = 55605560106048.

The previous prime is 111211120212107. The next prime is 111211120212251. The reversal of 111211120212112 is 211212021112111.

It can be written as a sum of positive squares in only one way, i.e., 56119335968656 + 55091784243456 = 7491284^2 + 7422384^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111211120212112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3475347506613 + ... + 3475347506644.

Almost surely, 2^{111211120212112} is an apocalyptic number.

It is an amenable number.

111211120212112 is a deficient number, since it is larger than the sum of its proper divisors (104260425198886).

111211120212112 is an equidigital number, since it uses as much as digits as its factorization.

111211120212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950695013265 (or 6950695013259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111211120212112 its reverse (211212021112111), we get a palindrome (322423141324223).

The spelling of 111211120212112 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred twenty million, two hundred twelve thousand, one hundred twelve".