201441121221 has 8 divisors (see below), whose sum is σ = 268646530720. Its totient is φ = 134264896272.

The previous prime is 201441121201. The next prime is 201441121289. The reversal of 201441121221 is 122121144102.

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

It is not a de Polignac number, because 201441121221 - 2⁷ = 201441121093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201441121201) 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, 7280026 + ... + 7307643.

It is an arithmetic number, because the mean of its divisors is an integer number (33580816340).

Almost surely, 2^201441121221 is an apocalyptic number.

It is an amenable number.

201441121221 is a deficient number, since it is larger than the sum of its proper divisors (67205409499).

201441121221 is a wasteful number, since it uses less digits than its factorization.

201441121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14592275.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 201441121221 its reverse (122121144102), we get a palindrome (323562265323).

The spelling of 201441121221 in words is "two hundred one billion, four hundred forty-one million, one hundred twenty-one thousand, two hundred twenty-one".