4011330032221 has 16 divisors (see below), whose sum is σ = 4156513619760. Its totient is φ = 3866605585920.

The previous prime is 4011330032189. The next prime is 4011330032243. The reversal of 4011330032221 is 1222300331104.

It can be written as a sum of positive squares in 8 ways, for example, as 703711265625 + 3307618766596 = 838875^2 + 1818686^2 .

It is a cyclic number.

It is not a de Polignac number, because 4011330032221 - 2⁵ = 4011330032189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4011330032192 and 4011330032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011330032321) 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, 231418671 + ... + 231436003.

It is an arithmetic number, because the mean of its divisors is an integer number (259782101235).

Almost surely, 2^{4011330032221} is an apocalyptic number.

It is an amenable number.

4011330032221 is a deficient number, since it is larger than the sum of its proper divisors (145183587539).

4011330032221 is a wasteful number, since it uses less digits than its factorization.

4011330032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30096.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 4011330032221 its reverse (1222300331104), we get a palindrome (5233630363325).

The spelling of 4011330032221 in words is "four trillion, eleven billion, three hundred thirty million, thirty-two thousand, two hundred twenty-one".