111111220010011 has 16 divisors (see below), whose sum is σ = 120054667714240. Its totient is φ = 102224861101440.

The previous prime is 111111220009991. The next prime is 111111220010017. The reversal of 111111220010011 is 110010022111111.

It is a cyclic number.

It is not a de Polignac number, because 111111220010011 - 2²⁵ = 111111186455579 is a prime.

It is a super-2 number, since 2×111111220010011² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111111220009973 and 111111220010000.

It is not an unprimeable number, because it can be changed into a prime (111111220010017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645015 + ... + 15346288.

It is an arithmetic number, because the mean of its divisors is an integer number (7503416732140).

Almost surely, 2^{111111220010011} is an apocalyptic number.

111111220010011 is a deficient number, since it is larger than the sum of its proper divisors (8943447704229).

111111220010011 is a wasteful number, since it uses less digits than its factorization.

111111220010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18992806.

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

Adding to 111111220010011 its reverse (110010022111111), we get a palindrome (221121242121122).

The spelling of 111111220010011 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred twenty million, ten thousand, eleven".