3413555120221 has 16 divisors (see below), whose sum is σ = 3739152216240. Its totient is φ = 3101834552320.

The previous prime is 3413555120197. The next prime is 3413555120231. The reversal of 3413555120221 is 1220215553143.

It can be written as a sum of positive squares in 8 ways, for example, as 826073760996 + 2587481359225 = 908886^2 + 1608565^2 .

It is a cyclic number.

It is not a de Polignac number, because 3413555120221 - 2¹¹ = 3413555118173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3413555120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11845911 + ... + 12130651.

It is an arithmetic number, because the mean of its divisors is an integer number (233697013515).

Almost surely, 2^{3413555120221} is an apocalyptic number.

It is an amenable number.

3413555120221 is a deficient number, since it is larger than the sum of its proper divisors (325597096019).

3413555120221 is a wasteful number, since it uses less digits than its factorization.

3413555120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309104.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 3413555120221 in words is "three trillion, four hundred thirteen billion, five hundred fifty-five million, one hundred twenty thousand, two hundred twenty-one".