111023312011211 has 4 divisors (see below), whose sum is σ = 117554095070712. Its totient is φ = 104492528951712.

The previous prime is 111023312011193. The next prime is 111023312011309. The reversal of 111023312011211 is 112110213320111.

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 111023312011211 - 2¹⁴ = 111023311994827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111023312071211) 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, 3265391529725 + ... + 3265391529758.

It is an arithmetic number, because the mean of its divisors is an integer number (29388523767678).

Almost surely, 2^{111023312011211} is an apocalyptic number.

111023312011211 is a deficient number, since it is larger than the sum of its proper divisors (6530783059501).

111023312011211 is an equidigital number, since it uses as much as digits as its factorization.

111023312011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530783059500.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 111023312011211 its reverse (112110213320111), we get a palindrome (223133525331322).

The spelling of 111023312011211 in words is "one hundred eleven trillion, twenty-three billion, three hundred twelve million, eleven thousand, two hundred eleven".