221202111201 has 8 divisors (see below), whose sum is σ = 310459103520. Its totient is φ = 139706596512.

The previous prime is 221202111187. The next prime is 221202111209. The reversal of 221202111201 is 102111202122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221202111201 - 2⁷ = 221202111073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221202111209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940369340 + ... + 1940369453.

It is an arithmetic number, because the mean of its divisors is an integer number (38807387940).

Almost surely, 2^221202111201 is an apocalyptic number.

It is an amenable number.

221202111201 is a deficient number, since it is larger than the sum of its proper divisors (89256992319).

221202111201 is a wasteful number, since it uses less digits than its factorization.

221202111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880738815.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221202111201 its reverse (102111202122), we get a palindrome (323313313323).

It can be divided in two parts, 2212021 and 11201, that added together give a palindrome (2223222).

The spelling of 221202111201 in words is "two hundred twenty-one billion, two hundred two million, one hundred eleven thousand, two hundred one".