111012020110111 has 4 divisors (see below), whose sum is σ = 111038332515400. Its totient is φ = 110985707704824.

The previous prime is 111012020110093. The next prime is 111012020110151. The reversal of 111012020110111 is 111011020210111.

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 111012020110111 - 2¹⁷ = 111012019979039 is a prime.

It is a super-3 number, since 3×111012020110111³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012020110091 and 111012020110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012020110151) 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, 13156196316 + ... + 13156204753.

It is an arithmetic number, because the mean of its divisors is an integer number (27759583128850).

Almost surely, 2^{111012020110111} is an apocalyptic number.

111012020110111 is a deficient number, since it is larger than the sum of its proper divisors (26312405289).

111012020110111 is an equidigital number, since it uses as much as digits as its factorization.

111012020110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26312405288.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111012020110111 its reverse (111011020210111), we get a palindrome (222023040320222).

The spelling of 111012020110111 in words is "one hundred eleven trillion, twelve billion, twenty million, one hundred ten thousand, one hundred eleven".