3211114312421 has 2 divisors, whose sum is σ = 3211114312422. Its totient is φ = 3211114312420.

The previous prime is 3211114312397. The next prime is 3211114312463. The reversal of 3211114312421 is 1242134111123.

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., 3169428923521 + 41685388900 = 1780289^2 + 204170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3211114312421 is a prime.

It is a super-2 number, since 2×3211114312421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3211114312121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605557156210 + 1605557156211.

It is an arithmetic number, because the mean of its divisors is an integer number (1605557156211).

Almost surely, 2^{3211114312421} is an apocalyptic number.

It is an amenable number.

3211114312421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211114312421 is an equidigital number, since it uses as much as digits as its factorization.

3211114312421 is an odious number, because the sum of its binary digits is odd.

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

Adding to 3211114312421 its reverse (1242134111123), we get a palindrome (4453248423544).

The spelling of 3211114312421 in words is "three trillion, two hundred eleven billion, one hundred fourteen million, three hundred twelve thousand, four hundred twenty-one".