111223213202124 has 72 divisors (see below), whose sum is σ = 282391992163008. Its totient is φ = 36910311158880.

The previous prime is 111223213202117. The next prime is 111223213202149. The reversal of 111223213202124 is 421202312322111.

111223213202124 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 321 + 320 + 2 + 12 + 4 = 666.

It is a super-2 number, since 2×111223213202124² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499124259 + ... + 499347045.

It is an arithmetic number, because the mean of its divisors is an integer number (3922111002264).

Almost surely, 2^{111223213202124} is an apocalyptic number.

It is an amenable number.

111223213202124 is an abundant number, since it is smaller than the sum of its proper divisors (171168778960884).

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

111223213202124 is a wasteful number, since it uses less digits than its factorization.

111223213202124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284115 (or 284110 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 111223213202124 its reverse (421202312322111), we get a palindrome (532425525524235).

The spelling of 111223213202124 in words is "one hundred eleven trillion, two hundred twenty-three billion, two hundred thirteen million, two hundred two thousand, one hundred twenty-four".