1111121040024 has 192 divisors, whose sum is σ = 3191580887040. Its totient is φ = 361988352000.

The previous prime is 1111121040019. The next prime is 1111121040049. The reversal of 1111121040024 is 4200401211111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1111121039979 and 1111121040006.

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 47 ways as a sum of consecutive naturals, for example, 68609272 + ... + 68625464.

It is an arithmetic number, because the mean of its divisors is an integer number (16622817120).

Almost surely, 2^{1111121040024} 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 1111121040024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595790443520).

1111121040024 is an abundant number, since it is smaller than the sum of its proper divisors (2080459847016).

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

1111121040024 is a wasteful number, since it uses less digits than its factorization.

1111121040024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17012 (or 16996 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1111121040024 its reverse (4200401211111), we get a palindrome (5311522251135).

The spelling of 1111121040024 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, forty thousand, twenty-four".