111021212111012 has 48 divisors (see below), whose sum is σ = 227597045090688. Its totient is φ = 46391661454080.

The previous prime is 111021212110999. The next prime is 111021212111041. The reversal of 111021212111012 is 210111212120111.

111021212111012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27659018 + ... + 31417569.

It is an arithmetic number, because the mean of its divisors is an integer number (4741605106056).

Almost surely, 2^{111021212111012} is an apocalyptic number.

It is an amenable number.

111021212111012 is an abundant number, since it is smaller than the sum of its proper divisors (116575832979676).

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

111021212111012 is a wasteful number, since it uses less digits than its factorization.

111021212111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59078276 (or 59078274 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111021212111012 its reverse (210111212120111), we get a palindrome (321132424231123).

Subtracting 111021212111012 from its reverse (210111212120111), we obtain a palindrome (99090000009099).

The spelling of 111021212111012 in words is "one hundred eleven trillion, twenty-one billion, two hundred twelve million, one hundred eleven thousand, twelve".