201400241221 has 16 divisors (see below), whose sum is σ = 222551366400. Its totient is φ = 181285302528.

The previous prime is 201400241213. The next prime is 201400241233. The reversal of 201400241221 is 122142004102.

201400241221 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 not a de Polignac number, because 201400241221 - 2³ = 201400241213 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 (201400241291) 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, 2953135 + ... + 3020563.

It is an arithmetic number, because the mean of its divisors is an integer number (13909460400).

Almost surely, 2^201400241221 is an apocalyptic number.

It is an amenable number.

201400241221 is a deficient number, since it is larger than the sum of its proper divisors (21151125179).

201400241221 is a wasteful number, since it uses less digits than its factorization.

201400241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75108.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201400241221 its reverse (122142004102), we get a palindrome (323542245323).

The spelling of 201400241221 in words is "two hundred one billion, four hundred million, two hundred forty-one thousand, two hundred twenty-one".