111023242042120 has 32 divisors (see below), whose sum is σ = 249804211639320. Its totient is φ = 44408956008960.

The previous prime is 111023242042081. The next prime is 111023242042129. The reversal of 111023242042120 is 21240242320111.

It can be written as a sum of positive squares in 4 ways, for example, as 35117641928196 + 75905600113924 = 5926014^2 + 8712382^2 .

It is not an unprimeable number, because it can be changed into a prime (111023242042129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5340171 + ... + 15829210.

Almost surely, 2^{111023242042120} is an apocalyptic number.

111023242042120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111023242042120 is an abundant number, since it is smaller than the sum of its proper divisors (138780969597200).

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

111023242042120 is a wasteful number, since it uses less digits than its factorization.

111023242042120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300505 (or 21300501 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 111023242042120 its reverse (21240242320111), we get a palindrome (132263484362231).

The spelling of 111023242042120 in words is "one hundred eleven trillion, twenty-three billion, two hundred forty-two million, forty-two thousand, one hundred twenty".