32200021121161 has 2 divisors, whose sum is σ = 32200021121162. Its totient is φ = 32200021121160.

The previous prime is 32200021121083. The next prime is 32200021121171. The reversal of 32200021121161 is 16112112000223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20336095317136 + 11863925804025 = 4509556^2 + 3444405^2 .

It is an emirp because it is prime and its reverse (16112112000223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32200021121161 - 2⁹ = 32200021120649 is a prime.

It is not a weakly prime, because it can be changed into another prime (32200021121171) 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, 16100010560580 + 16100010560581.

It is an arithmetic number, because the mean of its divisors is an integer number (16100010560581).

Almost surely, 2^{32200021121161} is an apocalyptic number.

It is an amenable number.

32200021121161 is a deficient number, since it is larger than the sum of its proper divisors (1).

32200021121161 is an equidigital number, since it uses as much as digits as its factorization.

32200021121161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 32200021121161 its reverse (16112112000223), we get a palindrome (48312133121384).

The spelling of 32200021121161 in words is "thirty-two trillion, two hundred billion, twenty-one million, one hundred twenty-one thousand, one hundred sixty-one".