11112211200005 has 16 divisors (see below), whose sum is σ = 13340104369200. Its totient is φ = 8886135521280.

The previous prime is 11112211199989. The next prime is 11112211200119. The reversal of 11112211200005 is 50000211221111.

It can be written as a sum of positive squares in 8 ways, for example, as 586585960321 + 10525625239684 = 765889^2 + 3244322^2 .

It is not a de Polignac number, because 11112211200005 - 2⁴ = 11112211199989 is a prime.

It is a super-2 number, since 2×11112211200005² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 245382965 + ... + 245428245.

It is an arithmetic number, because the mean of its divisors is an integer number (833756523075).

Almost surely, 2^{11112211200005} is an apocalyptic number.

It is an amenable number.

11112211200005 is a deficient number, since it is larger than the sum of its proper divisors (2227893169195).

11112211200005 is a wasteful number, since it uses less digits than its factorization.

11112211200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64264.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11112211200005 its reverse (50000211221111), we get a palindrome (61112422421116).

The spelling of 11112211200005 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, two hundred thousand, five".