3559111221 has 16 divisors (see below), whose sum is σ = 4897958400. Its totient is φ = 2297703408.

The previous prime is 3559111187. The next prime is 3559111249. The reversal of 3559111221 is 1221119553.

3559111221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3559111221 - 2⁷ = 3559111093 is a prime.

It is a super-2 number, since 2×3559111221² = 25334545366896221682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3559111321) 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, 138201 + ... + 161918.

It is an arithmetic number, because the mean of its divisors is an integer number (306122400).

Almost surely, 2^3559111221 is an apocalyptic number.

It is an amenable number.

3559111221 is a deficient number, since it is larger than the sum of its proper divisors (1338847179).

3559111221 is a wasteful number, since it uses less digits than its factorization.

3559111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300248.

The product of its digits is 2700, while the sum is 30.

The square root of 3559111221 is about 59658.2871108449. The cubic root of 3559111221 is about 1526.7942648437.

The spelling of 3559111221 in words is "three billion, five hundred fifty-nine million, one hundred eleven thousand, two hundred twenty-one".