201120244221 has 16 divisors (see below), whose sum is σ = 288829990400. Its totient is φ = 123748326720.

The previous prime is 201120244207. The next prime is 201120244223. The reversal of 201120244221 is 122442021102.

It is not a de Polignac number, because 201120244221 - 2³¹ = 198972760573 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 (201120244223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100045 + ... + 642066.

It is an arithmetic number, because the mean of its divisors is an integer number (18051874400).

Almost surely, 2^201120244221 is an apocalyptic number.

It is an amenable number.

201120244221 is a deficient number, since it is larger than the sum of its proper divisors (87709746179).

201120244221 is a wasteful number, since it uses less digits than its factorization.

201120244221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749076.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201120244221 its reverse (122442021102), we get a palindrome (323562265323).

The spelling of 201120244221 in words is "two hundred one billion, one hundred twenty million, two hundred forty-four thousand, two hundred twenty-one".