111101212012 has 24 divisors (see below), whose sum is σ = 223022374400. Its totient is φ = 47439101520.

The previous prime is 111101211997. The next prime is 111101212049. The reversal of 111101212012 is 210212101111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111101211983 and 111101212001.

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, 7313262 + ... + 7328437.

Almost surely, 2^111101212012 is an apocalyptic number.

It is an amenable number.

111101212012 is an abundant number, since it is smaller than the sum of its proper divisors (111921162388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111101212012 is a wasteful number, since it uses less digits than its factorization.

111101212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14641981 (or 14641979 counting only the distinct ones).

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

Adding to 111101212012 its reverse (210212101111), we get a palindrome (321313313123).

The spelling of 111101212012 in words is "one hundred eleven billion, one hundred one million, two hundred twelve thousand, twelve".