111031020212012 has 6 divisors (see below), whose sum is σ = 194304285371028. Its totient is φ = 55515510106004.

The previous prime is 111031020211999. The next prime is 111031020212113. The reversal of 111031020212012 is 210212020130111.

It is a happy number.

It is a super-3 number, since 3×111031020212012³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13878877526498 + ... + 13878877526505.

It is an arithmetic number, because the mean of its divisors is an integer number (32384047561838).

Almost surely, 2^{111031020212012} is an apocalyptic number.

It is an amenable number.

111031020212012 is a deficient number, since it is larger than the sum of its proper divisors (83273265159016).

111031020212012 is a wasteful number, since it uses less digits than its factorization.

111031020212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27757755053007 (or 27757755053005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111031020212012 its reverse (210212020130111), we get a palindrome (321243040342123).

The spelling of 111031020212012 in words is "one hundred eleven trillion, thirty-one billion, twenty million, two hundred twelve thousand, twelve".