111124031221204 has 24 divisors (see below), whose sum is σ = 195249217540608. Its totient is φ = 55338676152480.

The previous prime is 111124031221201. The next prime is 111124031221219. The reversal of 111124031221204 is 402122130421111.

It is a super-2 number, since 2×111124031221204² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111124031221201) by changing a digit.

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, 13678567 + ... + 20232430.

It is an arithmetic number, because the mean of its divisors is an integer number (8135384064192).

Almost surely, 2^{111124031221204} is an apocalyptic number.

It is an amenable number.

111124031221204 is a deficient number, since it is larger than the sum of its proper divisors (84125186319404).

111124031221204 is a wasteful number, since it uses less digits than its factorization.

111124031221204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33914295 (or 33914293 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111124031221204 its reverse (402122130421111), we get a palindrome (513246161642315).

The spelling of 111124031221204 in words is "one hundred eleven trillion, one hundred twenty-four billion, thirty-one million, two hundred twenty-one thousand, two hundred four".