11110111212211 has 32 divisors (see below), whose sum is σ = 12266161756416. Its totient is φ = 9978843600000.

The previous prime is 11110111212197. The next prime is 11110111212253. The reversal of 11110111212211 is 11221211101111.

It is not a de Polignac number, because 11110111212211 - 2⁹ = 11110111211699 is a prime.

It is a super-2 number, since 2×11110111212211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110111212281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2742558136 + ... + 2742562186.

It is an arithmetic number, because the mean of its divisors is an integer number (383317554888).

Almost surely, 2^{11110111212211} is an apocalyptic number.

11110111212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11110111212211 is a deficient number, since it is larger than the sum of its proper divisors (1156050544205).

11110111212211 is a wasteful number, since it uses less digits than its factorization.

11110111212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 11110111212211 its reverse (11221211101111), we get a palindrome (22331322313322).

The spelling of 11110111212211 in words is "eleven trillion, one hundred ten billion, one hundred eleven million, two hundred twelve thousand, two hundred eleven".