112211221011101 has 2 divisors, whose sum is σ = 112211221011102. Its totient is φ = 112211221011100.

The previous prime is 112211221011059. The next prime is 112211221011157. The reversal of 112211221011101 is 101110122112211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99757627039876 + 12453593971225 = 9987874^2 + 3528965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112211221011101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112211221011101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112211221511101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105610505550 + 56105610505551.

It is an arithmetic number, because the mean of its divisors is an integer number (56105610505551).

Almost surely, 2^{112211221011101} is an apocalyptic number.

It is an amenable number.

112211221011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211221011101 is an equidigital number, since it uses as much as digits as its factorization.

112211221011101 is an evil number, because the sum of its binary digits is even.

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

Adding to 112211221011101 its reverse (101110122112211), we get a palindrome (213321343123312).

The spelling of 112211221011101 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twenty-one million, eleven thousand, one hundred one".