111200111200101 has 128 divisors (see below), whose sum is σ = 187591522516992. Its totient is φ = 56916272160000.

The previous prime is 111200111200099. The next prime is 111200111200117. The reversal of 111200111200101 is 101002111002111.

It is not a de Polignac number, because 111200111200101 - 2¹ = 111200111200099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200111200121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6080819380 + ... + 6080837666.

It is an arithmetic number, because the mean of its divisors is an integer number (1465558769664).

Almost surely, 2^{111200111200101} is an apocalyptic number.

111200111200101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111200111200101 is a deficient number, since it is larger than the sum of its proper divisors (76391411316891).

111200111200101 is a wasteful number, since it uses less digits than its factorization.

111200111200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19663.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111200111200101 its reverse (101002111002111), we get a palindrome (212202222202212).

The spelling of 111200111200101 in words is "one hundred eleven trillion, two hundred billion, one hundred eleven million, two hundred thousand, one hundred one".