11112112101211 has 16 divisors (see below), whose sum is σ = 12366833695200. Its totient is φ = 9899376710400.

The previous prime is 11112112101199. The next prime is 11112112101247. The reversal of 11112112101211 is 11210121121111.

It is a cyclic number.

It is not a de Polignac number, because 11112112101211 - 2⁹ = 11112112100699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112112101271) 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, 30601146 + ... + 30962143.

It is an arithmetic number, because the mean of its divisors is an integer number (772927105950).

Almost surely, 2^{11112112101211} is an apocalyptic number.

11112112101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11112112101211 is a deficient number, since it is larger than the sum of its proper divisors (1254721593989).

11112112101211 is a wasteful number, since it uses less digits than its factorization.

11112112101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61563630.

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

Adding to 11112112101211 its reverse (11210121121111), we get a palindrome (22322233222322).

The spelling of 11112112101211 in words is "eleven trillion, one hundred twelve billion, one hundred twelve million, one hundred one thousand, two hundred eleven".