111201020211212 has 12 divisors (see below), whose sum is σ = 194811259849080. Its totient is φ = 55540660254336.

The previous prime is 111201020211133. The next prime is 111201020211287. The reversal of 111201020211212 is 212112020102111.

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, 14962458638 + ... + 14962466069.

It is an arithmetic number, because the mean of its divisors is an integer number (16234271654090).

Almost surely, 2^{111201020211212} is an apocalyptic number.

It is an amenable number.

111201020211212 is a deficient number, since it is larger than the sum of its proper divisors (83610239637868).

111201020211212 is a wasteful number, since it uses less digits than its factorization.

111201020211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29924925640 (or 29924925638 counting only the distinct ones).

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

Adding to 111201020211212 its reverse (212112020102111), we get a palindrome (323313040313323).

The spelling of 111201020211212 in words is "one hundred eleven trillion, two hundred one billion, twenty million, two hundred eleven thousand, two hundred twelve".