111100012211 has 4 divisors (see below), whose sum is σ = 111209687472. Its totient is φ = 110990336952.

The previous prime is 111100012193. The next prime is 111100012213. The reversal of 111100012211 is 112210001111.

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 111100012211 - 2¹⁸ = 111099750067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111100012192 and 111100012201.

It is not an unprimeable number, because it can be changed into a prime (111100012213) 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, 54836111 + ... + 54838136.

It is an arithmetic number, because the mean of its divisors is an integer number (27802421868).

Almost surely, 2^111100012211 is an apocalyptic number.

111100012211 is a deficient number, since it is larger than the sum of its proper divisors (109675261).

111100012211 is a wasteful number, since it uses less digits than its factorization.

111100012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109675260.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111100012211 its reverse (112210001111), we get a palindrome (223310013322).

It can be divided in two parts, 1111000 and 12211, that added together give a palindrome (1123211).

The spelling of 111100012211 in words is "one hundred eleven billion, one hundred million, twelve thousand, two hundred eleven".