111021021222 has 8 divisors (see below), whose sum is σ = 222042042456. Its totient is φ = 37007007072.

The previous prime is 111021021203. The next prime is 111021021239. The reversal of 111021021222 is 222120120111.

111021021222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

111021021222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9251751763 + ... + 9251751774.

It is an arithmetic number, because the mean of its divisors is an integer number (27755255307).

Almost surely, 2^111021021222 is an apocalyptic number.

111021021222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111021021222 is a wasteful number, since it uses less digits than its factorization.

111021021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18503503542.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111021021222 its reverse (222120120111), we get a palindrome (333141141333).

The spelling of 111021021222 in words is "one hundred eleven billion, twenty-one million, twenty-one thousand, two hundred twenty-two".