111101222201101 has 64 divisors (see below), whose sum is σ = 128619310620672. Its totient is φ = 94982580000000.

The previous prime is 111101222201071. The next prime is 111101222201119. The reversal of 111101222201101 is 101102222101111.

It is not a de Polignac number, because 111101222201101 - 2⁵ = 111101222201069 is a prime.

It is a super-2 number, since 2×111101222201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101222201141) 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, 15113752576 + ... + 15113759926.

It is an arithmetic number, because the mean of its divisors is an integer number (2009676728448).

Almost surely, 2^{111101222201101} is an apocalyptic number.

111101222201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111101222201101 is a deficient number, since it is larger than the sum of its proper divisors (17518088419571).

111101222201101 is a wasteful number, since it uses less digits than its factorization.

111101222201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11554.

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

Adding to 111101222201101 its reverse (101102222101111), we get a palindrome (212203444302212).

The spelling of 111101222201101 in words is "one hundred eleven trillion, one hundred one billion, two hundred twenty-two million, two hundred one thousand, one hundred one".