111022230001212 has 144 divisors (see below), whose sum is σ = 301335016286304. Its totient is φ = 34342548480000.

The previous prime is 111022230001211. The next prime is 111022230001253. The reversal of 111022230001212 is 212100032220111.

111022230001212 is a `hidden beast` number, since 11 + 10 + 222 + 300 + 0 + 121 + 2 = 666.

111022230001212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022230001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11170287 + ... + 18623097.

It is an arithmetic number, because the mean of its divisors is an integer number (2092604279766).

Almost surely, 2^{111022230001212} is an apocalyptic number.

111022230001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111022230001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150667508143152).

111022230001212 is an abundant number, since it is smaller than the sum of its proper divisors (190312786285092).

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

111022230001212 is a wasteful number, since it uses less digits than its factorization.

111022230001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453180 (or 7453175 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111022230001212 its reverse (212100032220111), we get a palindrome (323122262221323).

The spelling of 111022230001212 in words is "one hundred eleven trillion, twenty-two billion, two hundred thirty million, one thousand, two hundred twelve".