111100212011 has 8 divisors (see below), whose sum is σ = 112927739424. Its totient is φ = 109272885120.

The previous prime is 111100212007. The next prime is 111100212037. The reversal of 111100212011 is 110212001111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111100212011 - 2² = 111100212007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111100211983 and 111100212001.

It is not an unprimeable number, because it can be changed into a prime (111100212071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417106 + ... + 1493448.

It is an arithmetic number, because the mean of its divisors is an integer number (14115967428).

Almost surely, 2^111100212011 is an apocalyptic number.

111100212011 is a deficient number, since it is larger than the sum of its proper divisors (1827527413).

111100212011 is an equidigital number, since it uses as much as digits as its factorization.

111100212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100261.

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

Adding to 111100212011 its reverse (110212001111), we get a palindrome (221312213122).

The spelling of 111100212011 in words is "one hundred eleven billion, one hundred million, two hundred twelve thousand, eleven".