3211103123221 has 16 divisors (see below), whose sum is σ = 3885782834304. Its totient is φ = 2590417603584.

The previous prime is 3211103123213. The next prime is 3211103123231. The reversal of 3211103123221 is 1223213011123.

3211103123221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3211103123221 - 2³ = 3211103123213 is a prime.

It is a super-2 number, since 2×3211103123221² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3211103123192 and 3211103123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211103123231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6338326 + ... + 6826168.

It is an arithmetic number, because the mean of its divisors is an integer number (242861427144).

Almost surely, 2^{3211103123221} is an apocalyptic number.

It is an amenable number.

3211103123221 is a deficient number, since it is larger than the sum of its proper divisors (674679711083).

3211103123221 is a wasteful number, since it uses less digits than its factorization.

3211103123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543180.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3211103123221 its reverse (1223213011123), we get a palindrome (4434316134344).

The spelling of 3211103123221 in words is "three trillion, two hundred eleven billion, one hundred three million, one hundred twenty-three thousand, two hundred twenty-one".