111122111111320 has 32 divisors (see below), whose sum is σ = 250033175835120. Its totient is φ = 44447346518400.

The previous prime is 111122111111309. The next prime is 111122111111339. The reversal of 111122111111320 is 23111111221111.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 45608031 + ... + 47982670.

Almost surely, 2^{111122111111320} is an apocalyptic number.

111122111111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122111111320 is an abundant number, since it is smaller than the sum of its proper divisors (138911064723800).

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

111122111111320 is a wasteful number, since it uses less digits than its factorization.

111122111111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93620395 (or 93620391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 19.

Adding to 111122111111320 its reverse (23111111221111), we get a palindrome (134233222332431).

The spelling of 111122111111320 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred eleven million, one hundred eleven thousand, three hundred twenty".