4411211113221 has 32 divisors (see below), whose sum is σ = 6754600972800. Its totient is φ = 2532530220480.

The previous prime is 4411211113217. The next prime is 4411211113229. The reversal of 4411211113221 is 1223111121144.

It is not a de Polignac number, because 4411211113221 - 2² = 4411211113217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4411211113191 and 4411211113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4411211113229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6967990 + ... + 7574648.

It is an arithmetic number, because the mean of its divisors is an integer number (211081280400).

Almost surely, 2^{4411211113221} is an apocalyptic number.

It is an amenable number.

4411211113221 is a deficient number, since it is larger than the sum of its proper divisors (2343389859579).

4411211113221 is a wasteful number, since it uses less digits than its factorization.

4411211113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618289.

The product of its digits is 384, while the sum is 24.

Adding to 4411211113221 its reverse (1223111121144), we get a palindrome (5634322234365).

The spelling of 4411211113221 in words is "four trillion, four hundred eleven billion, two hundred eleven million, one hundred thirteen thousand, two hundred twenty-one".