11112240120 has 64 divisors (see below), whose sum is σ = 33536401920. Its totient is φ = 2945514624.

The previous prime is 11112240119. The next prime is 11112240121. The reversal of 11112240120 is 2104221111.

It is an interprime number because it is at equal distance from previous prime (11112240119) and next prime (11112240121).

It is a super-2 number, since 2×11112240120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11112240120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112240121) 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 15 ways as a sum of consecutive naturals, for example, 257212 + ... + 297291.

It is an arithmetic number, because the mean of its divisors is an integer number (524006280).

Almost surely, 2^11112240120 is an apocalyptic number.

11112240120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112240120 is an abundant number, since it is smaller than the sum of its proper divisors (22424161800).

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

11112240120 is a wasteful number, since it uses less digits than its factorization.

11112240120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554684 (or 554680 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11112240120 its reverse (2104221111), we get a palindrome (13216461231).

The spelling of 11112240120 in words is "eleven billion, one hundred twelve million, two hundred forty thousand, one hundred twenty".