3311001123221 has 16 divisors (see below), whose sum is σ = 3627489477888. Its totient is φ = 2997103411200.

The previous prime is 3311001123211. The next prime is 3311001123233. The reversal of 3311001123221 is 1223211001133.

It is a happy number.

3311001123221 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3311001123221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3311001123193 and 3311001123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311001123211) 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, 6958781 + ... + 7419341.

It is an arithmetic number, because the mean of its divisors is an integer number (226718092368).

Almost surely, 2^{3311001123221} is an apocalyptic number.

It is an amenable number.

3311001123221 is a deficient number, since it is larger than the sum of its proper divisors (316488354667).

3311001123221 is a wasteful number, since it uses less digits than its factorization.

3311001123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463372.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3311001123221 its reverse (1223211001133), we get a palindrome (4534212124354).

The spelling of 3311001123221 in words is "three trillion, three hundred eleven billion, one million, one hundred twenty-three thousand, two hundred twenty-one".