111201000011011 has 4 divisors (see below), whose sum is σ = 115035517252800. Its totient is φ = 107366482769224.

The previous prime is 111201000010967. The next prime is 111201000011053. The reversal of 111201000011011 is 110110000102111.

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

It is a cyclic number.

It is not a de Polignac number, because 111201000011011 - 2²⁹ = 111200463140099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201000071011) 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 3 ways as a sum of consecutive naturals, for example, 1917258620851 + ... + 1917258620908.

It is an arithmetic number, because the mean of its divisors is an integer number (28758879313200).

Almost surely, 2^{111201000011011} is an apocalyptic number.

111201000011011 is a deficient number, since it is larger than the sum of its proper divisors (3834517241789).

111201000011011 is an equidigital number, since it uses as much as digits as its factorization.

111201000011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834517241788.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111201000011011 its reverse (110110000102111), we get a palindrome (221311000113122).

The spelling of 111201000011011 in words is "one hundred eleven trillion, two hundred one billion, eleven thousand, eleven".