111200122101 has 48 divisors (see below), whose sum is σ = 164378606400. Its totient is φ = 66768801792.

The previous prime is 111200122087. The next prime is 111200122127. The reversal of 111200122101 is 101221002111.

It is not a de Polignac number, because 111200122101 - 2⁵ = 111200122069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200122001) 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, 2821590 + ... + 2860728.

It is an arithmetic number, because the mean of its divisors is an integer number (3424554300).

Almost surely, 2^111200122101 is an apocalyptic number.

It is an amenable number.

111200122101 is a deficient number, since it is larger than the sum of its proper divisors (53178484299).

111200122101 is a wasteful number, since it uses less digits than its factorization.

111200122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39318 (or 39301 counting only the distinct ones).

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

Adding to 111200122101 its reverse (101221002111), we get a palindrome (212421124212).

The spelling of 111200122101 in words is "one hundred eleven billion, two hundred million, one hundred twenty-two thousand, one hundred one".