111013311211 has 4 divisors (see below), whose sum is σ = 121105430424. Its totient is φ = 100921192000.

The previous prime is 111013311163. The next prime is 111013311223. The reversal of 111013311211 is 112113310111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112113310111 = 11 ⋅10192119101.

It is a cyclic number.

It is not a de Polignac number, because 111013311211 - 2¹¹ = 111013309163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111013311271) 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, 5046059590 + ... + 5046059611.

It is an arithmetic number, because the mean of its divisors is an integer number (30276357606).

Almost surely, 2^111013311211 is an apocalyptic number.

111013311211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111013311211 is a deficient number, since it is larger than the sum of its proper divisors (10092119213).

111013311211 is a wasteful number, since it uses less digits than its factorization.

111013311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092119212.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 111013311211 its reverse (112113310111), we get a palindrome (223126621322).

It can be divided in two parts, 111013 and 311211, that added together give a palindrome (422224).

The spelling of 111013311211 in words is "one hundred eleven billion, thirteen million, three hundred eleven thousand, two hundred eleven".