111122110222101 has 48 divisors (see below), whose sum is σ = 179836046994240. Its totient is φ = 65525798396160.

The previous prime is 111122110222073. The next prime is 111122110222153. The reversal of 111122110222101 is 101222011221111.

It is a happy number.

111122110222101 is a `hidden beast` number, since 1 + 111 + 221 + 10 + 222 + 101 = 666.

It is not a de Polignac number, because 111122110222101 - 2³⁰ = 111121036480277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122110222181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611751070 + ... + 611932688.

It is an arithmetic number, because the mean of its divisors is an integer number (3746584312380).

Almost surely, 2^{111122110222101} is an apocalyptic number.

111122110222101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111122110222101 is a deficient number, since it is larger than the sum of its proper divisors (68713936772139).

111122110222101 is a wasteful number, since it uses less digits than its factorization.

111122110222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348706 (or 348703 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111122110222101 its reverse (101222011221111), we get a palindrome (212344121443212).

The spelling of 111122110222101 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty-two thousand, one hundred one".