111230211012 has 24 divisors (see below), whose sum is σ = 259567884576. Its totient is φ = 37072347648.

The previous prime is 111230211011. The next prime is 111230211049. The reversal of 111230211012 is 210112032111.

It is a junction number, because it is equal to n+sod(n) for n = 111230210982 and 111230211000.

It is not an unprimeable number, because it can be changed into a prime (111230211011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442258 + ... + 646569.

It is an arithmetic number, because the mean of its divisors is an integer number (10815328524).

Almost surely, 2^111230211012 is an apocalyptic number.

111230211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111230211012 is an abundant number, since it is smaller than the sum of its proper divisors (148337673564).

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

111230211012 is a wasteful number, since it uses less digits than its factorization.

111230211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097347 (or 1097345 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111230211012 its reverse (210112032111), we get a palindrome (321342243123).

The spelling of 111230211012 in words is "one hundred eleven billion, two hundred thirty million, two hundred eleven thousand, twelve".