111020112210011 has 4 divisors (see below), whose sum is σ = 117550707045912. Its totient is φ = 104489517374112.

The previous prime is 111020112210001. The next prime is 111020112210019. The reversal of 111020112210011 is 110012211020111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020112210011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020112210019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265297417925 + ... + 3265297417958.

It is an arithmetic number, because the mean of its divisors is an integer number (29387676761478).

Almost surely, 2^{111020112210011} is an apocalyptic number.

111020112210011 is a deficient number, since it is larger than the sum of its proper divisors (6530594835901).

111020112210011 is an equidigital number, since it uses as much as digits as its factorization.

111020112210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530594835900.

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

Adding to 111020112210011 its reverse (110012211020111), we get a palindrome (221032323230122).

The spelling of 111020112210011 in words is "one hundred eleven trillion, twenty billion, one hundred twelve million, two hundred ten thousand, eleven".