111011200102111 has 4 divisors (see below), whose sum is σ = 111191121010512. Its totient is φ = 110831279193712.

The previous prime is 111011200102091. The next prime is 111011200102151. The reversal of 111011200102111 is 111201002110111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111011200102111 is a prime.

It is a super-2 number, since 2×111011200102111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111011200102091 and 111011200102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011200102151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89960453275 + ... + 89960454508.

It is an arithmetic number, because the mean of its divisors is an integer number (27797780252628).

Almost surely, 2^{111011200102111} is an apocalyptic number.

111011200102111 is a deficient number, since it is larger than the sum of its proper divisors (179920908401).

111011200102111 is an equidigital number, since it uses as much as digits as its factorization.

111011200102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179920908400.

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

Adding to 111011200102111 its reverse (111201002110111), we get a palindrome (222212202212222).

The spelling of 111011200102111 in words is "one hundred eleven trillion, eleven billion, two hundred million, one hundred two thousand, one hundred eleven".