112212100210181 has 2 divisors, whose sum is σ = 112212100210182. Its totient is φ = 112212100210180.

The previous prime is 112212100210123. The next prime is 112212100210219. The reversal of 112212100210181 is 181012001212211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62211220733281 + 50000879476900 = 7887409^2 + 7071130^2 .

It is a cyclic number.

It is not a de Polignac number, because 112212100210181 - 2²⁶ = 112212033101317 is a prime.

It is a super-2 number, since 2×112212100210181² (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 (112212100260181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106050105090 + 56106050105091.

It is an arithmetic number, because the mean of its divisors is an integer number (56106050105091).

Almost surely, 2^{112212100210181} is an apocalyptic number.

It is an amenable number.

112212100210181 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212100210181 is an equidigital number, since it uses as much as digits as its factorization.

112212100210181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 23.

Adding to 112212100210181 its reverse (181012001212211), we get a palindrome (293224101422392).

The spelling of 112212100210181 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred million, two hundred ten thousand, one hundred eighty-one".