111202102101 has 8 divisors (see below), whose sum is σ = 148673474944. Its totient is φ = 73932732000.

The previous prime is 111202102061. The next prime is 111202102133. The reversal of 111202102101 is 101201202111.

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

It is not a de Polignac number, because 111202102101 - 2⁷ = 111202101973 is a prime.

It is a super-2 number, since 2×111202102101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202102171) 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 7 ways as a sum of consecutive naturals, for example, 50499400 + ... + 50501601.

It is an arithmetic number, because the mean of its divisors is an integer number (18584184368).

Almost surely, 2^111202102101 is an apocalyptic number.

It is an amenable number.

111202102101 is a deficient number, since it is larger than the sum of its proper divisors (37471372843).

111202102101 is a wasteful number, since it uses less digits than its factorization.

111202102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001371.

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

Adding to 111202102101 its reverse (101201202111), we get a palindrome (212403304212).

The spelling of 111202102101 in words is "one hundred eleven billion, two hundred two million, one hundred two thousand, one hundred one".