111142442030111 has 4 divisors (see below), whose sum is σ = 111143210215800. Its totient is φ = 111141673844424.

The previous prime is 111142442030083. The next prime is 111142442030143. The reversal of 111142442030111 is 111030244241111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111142442030111 - 2⁶ = 111142442030047 is a prime.

It is a super-3 number, since 3×111142442030111³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111142442030161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383875781 + ... + 384165198.

It is an arithmetic number, because the mean of its divisors is an integer number (27785802553950).

Almost surely, 2^{111142442030111} is an apocalyptic number.

111142442030111 is a deficient number, since it is larger than the sum of its proper divisors (768185689).

111142442030111 is an equidigital number, since it uses as much as digits as its factorization.

111142442030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768185688.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 111142442030111 its reverse (111030244241111), we get a palindrome (222172686271222).

The spelling of 111142442030111 in words is "one hundred eleven trillion, one hundred forty-two billion, four hundred forty-two million, thirty thousand, one hundred eleven".