111311320022424 has 256 divisors, whose sum is σ = 329166633600000. Its totient is φ = 34751981214720.

The previous prime is 111311320022411. The next prime is 111311320022471. The reversal of 111311320022424 is 424220023113111.

111311320022424 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 1 + 13 + 200 + 22 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5691043957 + ... + 5691063515.

It is an arithmetic number, because the mean of its divisors is an integer number (1285807162500).

Almost surely, 2^{111311320022424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111311320022424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164583316800000).

111311320022424 is an abundant number, since it is smaller than the sum of its proper divisors (217855313577576).

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

111311320022424 is a wasteful number, since it uses less digits than its factorization.

111311320022424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35263 (or 35253 counting only the distinct ones).

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

Adding to 111311320022424 its reverse (424220023113111), we get a palindrome (535531343135535).

The spelling of 111311320022424 in words is "one hundred eleven trillion, three hundred eleven billion, three hundred twenty million, twenty-two thousand, four hundred twenty-four".