3220202113181 has 2 divisors, whose sum is σ = 3220202113182. Its totient is φ = 3220202113180.

The previous prime is 3220202113171. The next prime is 3220202113187. The reversal of 3220202113181 is 1813112020223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2131746002500 + 1088456110681 = 1460050^2 + 1043291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220202113181 is a prime.

It is a super-2 number, since 2×3220202113181² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220202113181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220202113187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610101056590 + 1610101056591.

It is an arithmetic number, because the mean of its divisors is an integer number (1610101056591).

Almost surely, 2^{3220202113181} is an apocalyptic number.

It is an amenable number.

3220202113181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220202113181 is an equidigital number, since it uses as much as digits as its factorization.

3220202113181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 3220202113181 in words is "three trillion, two hundred twenty billion, two hundred two million, one hundred thirteen thousand, one hundred eighty-one".