111012111211 has 8 divisors (see below), whose sum is σ = 114069625344. Its totient is φ = 107983578600.

The previous prime is 111012111209. The next prime is 111012111233. The reversal of 111012111211 is 112111210111.

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 111012111211 - 2¹ = 111012111209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012111191 and 111012111200.

It is not an unprimeable number, because it can be changed into a prime (111012111271) 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, 7237615 + ... + 7252936.

It is an arithmetic number, because the mean of its divisors is an integer number (14258703168).

Almost surely, 2^111012111211 is an apocalyptic number.

111012111211 is a deficient number, since it is larger than the sum of its proper divisors (3057514133).

111012111211 is a wasteful number, since it uses less digits than its factorization.

111012111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490761.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111012111211 its reverse (112111210111), we get a palindrome (223123321322).

The spelling of 111012111211 in words is "one hundred eleven billion, twelve million, one hundred eleven thousand, two hundred eleven".