221340122201 has 16 divisors (see below), whose sum is σ = 242475959040. Its totient is φ = 200374145280.

The previous prime is 221340122161. The next prime is 221340122219. The reversal of 221340122201 is 102221043122.

221340122201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221340122201 is a prime.

It is a super-2 number, since 2×221340122201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221340122251) 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 15 ways as a sum of consecutive naturals, for example, 5394080 + ... + 5434958.

It is an arithmetic number, because the mean of its divisors is an integer number (15154747440).

Almost surely, 2^221340122201 is an apocalyptic number.

It is an amenable number.

221340122201 is a deficient number, since it is larger than the sum of its proper divisors (21135836839).

221340122201 is a wasteful number, since it uses less digits than its factorization.

221340122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42944.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221340122201 its reverse (102221043122), we get a palindrome (323561165323).

The spelling of 221340122201 in words is "two hundred twenty-one billion, three hundred forty million, one hundred twenty-two thousand, two hundred one".