2232110220181 has 2 divisors, whose sum is σ = 2232110220182. Its totient is φ = 2232110220180.

The previous prime is 2232110220121. The next prime is 2232110220217. The reversal of 2232110220181 is 1810220112322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1993365601956 + 238744618225 = 1411866^2 + 488615^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232110220181 - 2²⁷ = 2231976002453 is a prime.

It is a super-3 number, since 3×2232110220181³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232110220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116055110090 + 1116055110091.

It is an arithmetic number, because the mean of its divisors is an integer number (1116055110091).

Almost surely, 2^{2232110220181} is an apocalyptic number.

It is an amenable number.

2232110220181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232110220181 is an equidigital number, since it uses as much as digits as its factorization.

2232110220181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 2232110220181 in words is "two trillion, two hundred thirty-two billion, one hundred ten million, two hundred twenty thousand, one hundred eighty-one".