111111102100101 has 8 divisors (see below), whose sum is σ = 151593441625120. Its totient is φ = 72351415320912.

The previous prime is 111111102100043. The next prime is 111111102100133. The reversal of 111111102100101 is 101001201111111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111111102100101 - 2⁹ = 111111102099589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111102102101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430663186306 + ... + 430663186563.

It is an arithmetic number, because the mean of its divisors is an integer number (18949180203140).

Almost surely, 2^{111111102100101} is an apocalyptic number.

It is an amenable number.

111111102100101 is a deficient number, since it is larger than the sum of its proper divisors (40482339525019).

111111102100101 is an equidigital number, since it uses as much as digits as its factorization.

111111102100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861326372915.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 111111102100101 its reverse (101001201111111), we get a palindrome (212112303211212).

The spelling of 111111102100101 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred two million, one hundred thousand, one hundred one".