221413353717201 has 16 divisors (see below), whose sum is σ = 295553853592704. Its totient is φ = 147440881791104.

The previous prime is 221413353717169. The next prime is 221413353717217. The reversal of 221413353717201 is 102717353314122.

It is a cyclic number.

It is not a de Polignac number, because 221413353717201 - 2⁵ = 221413353717169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221413353717001) 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, 275216731 + ... + 276020063.

It is an arithmetic number, because the mean of its divisors is an integer number (18472115849544).

Almost surely, 2^{221413353717201} is an apocalyptic number.

It is an amenable number.

221413353717201 is a deficient number, since it is larger than the sum of its proper divisors (74140499875503).

221413353717201 is a wasteful number, since it uses less digits than its factorization.

221413353717201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907800.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 221413353717201 in words is "two hundred twenty-one trillion, four hundred thirteen billion, three hundred fifty-three million, seven hundred seventeen thousand, two hundred one".