111012120001211 has 8 divisors (see below), whose sum is σ = 130419833288304. Its totient is φ = 93157023777120.

The previous prime is 111012120001193. The next prime is 111012120001213. The reversal of 111012120001211 is 112100021210111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012120001211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012120001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388154265596 + ... + 388154265881.

It is an arithmetic number, because the mean of its divisors is an integer number (16302479161038).

Almost surely, 2^{111012120001211} is an apocalyptic number.

111012120001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111012120001211 is a deficient number, since it is larger than the sum of its proper divisors (19407713287093).

111012120001211 is a wasteful number, since it uses less digits than its factorization.

111012120001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776308531501.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111012120001211 its reverse (112100021210111), we get a palindrome (223112141211322).

The spelling of 111012120001211 in words is "one hundred eleven trillion, twelve billion, one hundred twenty million, one thousand, two hundred eleven".