221014021213201 has 4 divisors (see below), whose sum is σ = 221014093419072. Its totient is φ = 221013949007332.

The previous prime is 221014021213189. The next prime is 221014021213213. The reversal of 221014021213201 is 102312120410122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (221014021213189) and next prime (221014021213213).

It is a cyclic number.

It is not a de Polignac number, because 221014021213201 - 2²³ = 221014012824593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221014021213501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31298485 + ... + 37704418.

It is an arithmetic number, because the mean of its divisors is an integer number (55253523354768).

Almost surely, 2^{221014021213201} is an apocalyptic number.

It is an amenable number.

221014021213201 is a deficient number, since it is larger than the sum of its proper divisors (72205871).

221014021213201 is an equidigital number, since it uses as much as digits as its factorization.

221014021213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72205870.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 221014021213201 its reverse (102312120410122), we get a palindrome (323326141623323).

The spelling of 221014021213201 in words is "two hundred twenty-one trillion, fourteen billion, twenty-one million, two hundred thirteen thousand, two hundred one".