1111122200111 has 8 divisors (see below), whose sum is σ = 1385295210624. Its totient is φ = 865809506520.

The previous prime is 1111122200107. The next prime is 1111122200137. The reversal of 1111122200111 is 1110022211111.

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

It is not a de Polignac number, because 1111122200111 - 2² = 1111122200107 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 (1111122200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7215079145 + ... + 7215079298.

It is an arithmetic number, because the mean of its divisors is an integer number (173161901328).

Almost surely, 2^{1111122200111} is an apocalyptic number.

1111122200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111122200111 is a deficient number, since it is larger than the sum of its proper divisors (274173010513).

1111122200111 is a wasteful number, since it uses less digits than its factorization.

1111122200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430158461.

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

Adding to 1111122200111 its reverse (1110022211111), we get a palindrome (2221144411222).

It can be divided in two parts, 11111 and 22200111, that added together give a palindrome (22211222).

The spelling of 1111122200111 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, two hundred thousand, one hundred eleven".