11101112212 has 6 divisors (see below), whose sum is σ = 19426946378. Its totient is φ = 5550556104.

The previous prime is 11101112207. The next prime is 11101112221. The reversal of 11101112212 is 21221110111.

It is a happy number.

11101112212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8540347396 + 2560764816 = 92414^2 + 50604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11101112192 and 11101112201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387639023 + ... + 1387639030.

Almost surely, 2^11101112212 is an apocalyptic number.

It is an amenable number.

11101112212 is a deficient number, since it is larger than the sum of its proper divisors (8325834166).

11101112212 is a wasteful number, since it uses less digits than its factorization.

11101112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775278057 (or 2775278055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11101112212 its reverse (21221110111), we get a palindrome (32322222323).

The spelling of 11101112212 in words is "eleven billion, one hundred one million, one hundred twelve thousand, two hundred twelve".