3211442020121 has 2 divisors, whose sum is σ = 3211442020122. Its totient is φ = 3211442020120.

The previous prime is 3211442020099. The next prime is 3211442020133. The reversal of 3211442020121 is 1210202441123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2285959539721 + 925482480400 = 1511939^2 + 962020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3211442020121 is a prime.

It is not a weakly prime, because it can be changed into another prime (3211442022121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605721010060 + 1605721010061.

It is an arithmetic number, because the mean of its divisors is an integer number (1605721010061).

Almost surely, 2^{3211442020121} is an apocalyptic number.

It is an amenable number.

3211442020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211442020121 is an equidigital number, since it uses as much as digits as its factorization.

3211442020121 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 23.

Adding to 3211442020121 its reverse (1210202441123), we get a palindrome (4421644461244).

The spelling of 3211442020121 in words is "three trillion, two hundred eleven billion, four hundred forty-two million, twenty thousand, one hundred twenty-one".