112211112021101 has 4 divisors (see below), whose sum is σ = 113748250542012. Its totient is φ = 110673973500192.

The previous prime is 112211112021067. The next prime is 112211112021131. The reversal of 112211112021101 is 101120211112211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46850274015076 + 65360838006025 = 6844726^2 + 8084605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112211112021101 is a prime.

It is a super-2 number, since 2×112211112021101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112211112021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211112021131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768569260346 + ... + 768569260491.

It is an arithmetic number, because the mean of its divisors is an integer number (28437062635503).

Almost surely, 2^{112211112021101} is an apocalyptic number.

It is an amenable number.

112211112021101 is a deficient number, since it is larger than the sum of its proper divisors (1537138520911).

112211112021101 is an equidigital number, since it uses as much as digits as its factorization.

112211112021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537138520910.

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

Adding to 112211112021101 its reverse (101120211112211), we get a palindrome (213331323133312).

The spelling of 112211112021101 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred twelve million, twenty-one thousand, one hundred one".