111102101212 has 24 divisors (see below), whose sum is σ = 194827745504. Its totient is φ = 55437141312.

The previous prime is 111102101191. The next prime is 111102101237. The reversal of 111102101212 is 212101201111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111102101192 and 111102101201.

It is a congruent number.

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, 4368838 + ... + 4394194.

Almost surely, 2^111102101212 is an apocalyptic number.

It is an amenable number.

111102101212 is a deficient number, since it is larger than the sum of its proper divisors (83725644292).

111102101212 is a wasteful number, since it uses less digits than its factorization.

111102101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27565 (or 27563 counting only the distinct ones).

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

Adding to 111102101212 its reverse (212101201111), we get a palindrome (323203302323).

The spelling of 111102101212 in words is "one hundred eleven billion, one hundred two million, one hundred one thousand, two hundred twelve".