111200212101 has 16 divisors (see below), whose sum is σ = 162029058048. Its totient is φ = 67276028400.

The previous prime is 111200212091. The next prime is 111200212103. The reversal of 111200212101 is 101212002111.

It is not a de Polignac number, because 111200212101 - 2⁶ = 111200212037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200212103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2931861 + ... + 2969546.

It is an arithmetic number, because the mean of its divisors is an integer number (10126816128).

Almost surely, 2^111200212101 is an apocalyptic number.

111200212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111200212101 is a deficient number, since it is larger than the sum of its proper divisors (50828845947).

111200212101 is a wasteful number, since it uses less digits than its factorization.

111200212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901992.

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

Adding to 111200212101 its reverse (101212002111), we get a palindrome (212412214212).

The spelling of 111200212101 in words is "one hundred eleven billion, two hundred million, two hundred twelve thousand, one hundred one".