3211351413121 has 2 divisors, whose sum is σ = 3211351413122. Its totient is φ = 3211351413120.

The previous prime is 3211351413119. The next prime is 3211351413131. The reversal of 3211351413121 is 1213141531123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1633654641025 + 1577696772096 = 1278145^2 + 1256064^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211351413121 - 2¹ = 3211351413119 is a prime.

It is a super-2 number, since 2×3211351413121² (a number of 26 digits) contains 22 as substring.

Together with 3211351413119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3211351413121.

It is not a weakly prime, because it can be changed into another prime (3211351413131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605675706560 + 1605675706561.

It is an arithmetic number, because the mean of its divisors is an integer number (1605675706561).

Almost surely, 2^{3211351413121} is an apocalyptic number.

It is an amenable number.

3211351413121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211351413121 is an equidigital number, since it uses as much as digits as its factorization.

3211351413121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

Adding to 3211351413121 its reverse (1213141531123), we get a palindrome (4424492944244).

The spelling of 3211351413121 in words is "three trillion, two hundred eleven billion, three hundred fifty-one million, four hundred thirteen thousand, one hundred twenty-one".