11121101212 has 12 divisors (see below), whose sum is σ = 20958998536. Its totient is φ = 5132815920.

The previous prime is 11121101179. The next prime is 11121101237. The reversal of 11121101212 is 21210112111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11121101192 and 11121101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106933614 + ... + 106933717.

Almost surely, 2^11121101212 is an apocalyptic number.

It is an amenable number.

11121101212 is a deficient number, since it is larger than the sum of its proper divisors (9837897324).

11121101212 is a wasteful number, since it uses less digits than its factorization.

11121101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213867348 (or 213867346 counting only the distinct ones).

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

Adding to 11121101212 its reverse (21210112111), we get a palindrome (32331213323).

The spelling of 11121101212 in words is "eleven billion, one hundred twenty-one million, one hundred one thousand, two hundred twelve".