202144421401 has 16 divisors (see below), whose sum is σ = 227208280320. Its totient is φ = 178443270720.

The previous prime is 202144421357. The next prime is 202144421429. The reversal of 202144421401 is 104124441202.

It is a happy number.

202144421401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202144421401 - 2¹¹ = 202144419353 is a prime.

It is a super-3 number, since 3×202144421401³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202144424401) 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, 1351911 + ... + 1493971.

It is an arithmetic number, because the mean of its divisors is an integer number (14200517520).

Almost surely, 2^202144421401 is an apocalyptic number.

It is an amenable number.

202144421401 is a deficient number, since it is larger than the sum of its proper divisors (25063858919).

202144421401 is a wasteful number, since it uses less digits than its factorization.

202144421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146856.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 202144421401 its reverse (104124441202), we get a palindrome (306268862603).

The spelling of 202144421401 in words is "two hundred two billion, one hundred forty-four million, four hundred twenty-one thousand, four hundred one".