111211002212012 has 6 divisors (see below), whose sum is σ = 194619253871028. Its totient is φ = 55605501106004.

The previous prime is 111211002211961. The next prime is 111211002212021. The reversal of 111211002212012 is 210212200112111.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901375276498 + ... + 13901375276505.

It is an arithmetic number, because the mean of its divisors is an integer number (32436542311838).

Almost surely, 2^{111211002212012} is an apocalyptic number.

It is an amenable number.

111211002212012 is a deficient number, since it is larger than the sum of its proper divisors (83408251659016).

111211002212012 is a wasteful number, since it uses less digits than its factorization.

111211002212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27802750553007 (or 27802750553005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111211002212012 its reverse (210212200112111), we get a palindrome (321423202324123).

The spelling of 111211002212012 in words is "one hundred eleven trillion, two hundred eleven billion, two million, two hundred twelve thousand, twelve".