111000012211211 has 4 divisors (see below), whose sum is σ = 111004479576672. Its totient is φ = 110995544845752.

The previous prime is 111000012211181. The next prime is 111000012211213. The reversal of 111000012211211 is 112112210000111.

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 111000012211211 - 2³⁰ = 110998938469387 is a prime.

It is a super-2 number, since 2×111000012211211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111000012211213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233645460 + ... + 2233695153.

It is an arithmetic number, because the mean of its divisors is an integer number (27751119894168).

Almost surely, 2^{111000012211211} is an apocalyptic number.

111000012211211 is a deficient number, since it is larger than the sum of its proper divisors (4467365461).

111000012211211 is an equidigital number, since it uses as much as digits as its factorization.

111000012211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467365460.

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

Adding to 111000012211211 its reverse (112112210000111), we get a palindrome (223112222211322).

The spelling of 111000012211211 in words is "one hundred eleven trillion, twelve million, two hundred eleven thousand, two hundred eleven".