112210202202181 has 2 divisors, whose sum is σ = 112210202202182. Its totient is φ = 112210202202180.

The previous prime is 112210202202167. The next prime is 112210202202187. The reversal of 112210202202181 is 181202202012211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93757893973956 + 18452308228225 = 9682866^2 + 4295615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112210202202181 is a prime.

It is a super-2 number, since 2×112210202202181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112210202202187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105101101090 + 56105101101091.

It is an arithmetic number, because the mean of its divisors is an integer number (56105101101091).

Almost surely, 2^{112210202202181} is an apocalyptic number.

It is an amenable number.

112210202202181 is a deficient number, since it is larger than the sum of its proper divisors (1).

112210202202181 is an equidigital number, since it uses as much as digits as its factorization.

112210202202181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 112210202202181 its reverse (181202202012211), we get a palindrome (293412404214392).

The spelling of 112210202202181 in words is "one hundred twelve trillion, two hundred ten billion, two hundred two million, two hundred two thousand, one hundred eighty-one".