111000100222011 has 64 divisors (see below), whose sum is σ = 204084100555776. Its totient is φ = 51788258496000.

The previous prime is 111000100221827. The next prime is 111000100222043. The reversal of 111000100222011 is 110222001000111.

It is not a de Polignac number, because 111000100222011 - 2⁹ = 111000100221499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111000100222061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 499389840 + ... + 499612061.

It is an arithmetic number, because the mean of its divisors is an integer number (3188814071184).

Almost surely, 2^{111000100222011} is an apocalyptic number.

111000100222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111000100222011 is a deficient number, since it is larger than the sum of its proper divisors (93084000333765).

111000100222011 is a wasteful number, since it uses less digits than its factorization.

111000100222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999001972.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111000100222011 its reverse (110222001000111), we get a palindrome (221222101222122).

It can be divided in two parts, 111000100 and 222011, that added together give a palindrome (111222111).

The spelling of 111000100222011 in words is "one hundred eleven trillion, one hundred million, two hundred twenty-two thousand, eleven".