111001220011111 has 8 divisors (see below), whose sum is σ = 116845605706880. Its totient is φ = 105157055937528.

The previous prime is 111001220011093. The next prime is 111001220011177. The reversal of 111001220011111 is 111110022100111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111001220011111 - 2⁵ = 111001220011079 is a prime.

It is a super-2 number, since 2×111001220011111² (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 = 111001220011091 and 111001220011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001220011811) 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, 54376971 + ... + 56381356.

It is an arithmetic number, because the mean of its divisors is an integer number (14605700713360).

Almost surely, 2^{111001220011111} is an apocalyptic number.

111001220011111 is a deficient number, since it is larger than the sum of its proper divisors (5844385695769).

111001220011111 is a wasteful number, since it uses less digits than its factorization.

111001220011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110811093.

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

Adding to 111001220011111 its reverse (111110022100111), we get a palindrome (222111242111222).

The spelling of 111001220011111 in words is "one hundred eleven trillion, one billion, two hundred twenty million, eleven thousand, one hundred eleven".