221211110201201 has 8 divisors (see below), whose sum is σ = 225924566995200. Its totient is φ = 216497938300128.

The previous prime is 221211110201131. The next prime is 221211110201297. The reversal of 221211110201201 is 102102011112122.

221211110201201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 221211110201201 - 2¹⁰ = 221211110200177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221211110201201.

It is not an unprimeable number, because it can be changed into a prime (221211110201801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69653381 + ... + 72759986.

It is an arithmetic number, because the mean of its divisors is an integer number (28240570874400).

Almost surely, 2^{221211110201201} is an apocalyptic number.

It is an amenable number.

221211110201201 is a deficient number, since it is larger than the sum of its proper divisors (4713456793999).

221211110201201 is a wasteful number, since it uses less digits than its factorization.

221211110201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142446463.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221211110201201 its reverse (102102011112122), we get a palindrome (323313121313323).

The spelling of 221211110201201 in words is "two hundred twenty-one trillion, two hundred eleven billion, one hundred ten million, two hundred one thousand, two hundred one".