111121200011 has 16 divisors (see below), whose sum is σ = 114325585920. Its totient is φ = 107940982080.

The previous prime is 111121199977. The next prime is 111121200041. The reversal of 111121200011 is 110002121111.

It is not a de Polignac number, because 111121200011 - 2¹⁴ = 111121183627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111121199965 and 111121200001.

It is not an unprimeable number, because it can be changed into a prime (111121200041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18086006 + ... + 18092148.

It is an arithmetic number, because the mean of its divisors is an integer number (7145349120).

Almost surely, 2^111121200011 is an apocalyptic number.

111121200011 is a deficient number, since it is larger than the sum of its proper divisors (3204385909).

111121200011 is a wasteful number, since it uses less digits than its factorization.

111121200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111121200011 its reverse (110002121111), we get a palindrome (221123321122).

The spelling of 111121200011 in words is "one hundred eleven billion, one hundred twenty-one million, two hundred thousand, eleven".