111000022211111 has 8 divisors (see below), whose sum is σ = 122451505606800. Its totient is φ = 99775300863040.

The previous prime is 111000022211053. The next prime is 111000022211123. The reversal of 111000022211111 is 111112220000111.

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

It is not a de Polignac number, because 111000022211111 - 2¹⁸ = 111000021948967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000022214111) 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, 56690510876 + ... + 56690512833.

It is an arithmetic number, because the mean of its divisors is an integer number (15306438200850).

Almost surely, 2^{111000022211111} is an apocalyptic number.

111000022211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111000022211111 is a deficient number, since it is larger than the sum of its proper divisors (11451483395689).

111000022211111 is a wasteful number, since it uses less digits than its factorization.

111000022211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113381023809.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111000022211111 its reverse (111112220000111), we get a palindrome (222112242211222).

The spelling of 111000022211111 in words is "one hundred eleven trillion, twenty-two million, two hundred eleven thousand, one hundred eleven".