111202212111101 has 8 divisors (see below), whose sum is σ = 111475689543480. Its totient is φ = 110928866323968.

The previous prime is 111202212111043. The next prime is 111202212111161. The reversal of 111202212111101 is 101111212202111.

It can be written as a sum of positive squares in 4 ways, for example, as 44247760306201 + 66954451804900 = 6651899^2 + 8182570^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 111202212111101 - 2²⁶ = 111202145002237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111202212111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202212111161) 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, 31219706 + ... + 34598763.

It is an arithmetic number, because the mean of its divisors is an integer number (13934461192935).

Almost surely, 2^{111202212111101} is an apocalyptic number.

It is an amenable number.

111202212111101 is a deficient number, since it is larger than the sum of its proper divisors (273477432379).

111202212111101 is an equidigital number, since it uses as much as digits as its factorization.

111202212111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65822623.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111202212111101 its reverse (101111212202111), we get a palindrome (212313424313212).

The spelling of 111202212111101 in words is "one hundred eleven trillion, two hundred two billion, two hundred twelve million, one hundred eleven thousand, one hundred one".