3211222401401 has 6 divisors (see below), whose sum is σ = 3735503609850. Its totient is φ = 2752476344016.

The previous prime is 3211222401379. The next prime is 3211222401437. The reversal of 3211222401401 is 1041042221123.

It can be written as a sum of positive squares in only one way, i.e., 3199533548176 + 11688853225 = 1788724^2 + 108115^2 .

It is not a de Polignac number, because 3211222401401 - 2¹⁴ = 3211222385017 is a prime.

It is a super-2 number, since 2×3211222401401² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3211222401481) 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 in 5 ways as a sum of consecutive naturals, for example, 32767575476 + ... + 32767575573.

It is an arithmetic number, because the mean of its divisors is an integer number (622583934975).

Almost surely, 2^{3211222401401} is an apocalyptic number.

It is an amenable number.

3211222401401 is a deficient number, since it is larger than the sum of its proper divisors (524281208449).

3211222401401 is an equidigital number, since it uses as much as digits as its factorization.

3211222401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65535151063 (or 65535151056 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 3211222401401 its reverse (1041042221123), we get a palindrome (4252264622524).

The spelling of 3211222401401 in words is "three trillion, two hundred eleven billion, two hundred twenty-two million, four hundred one thousand, four hundred one".