201421323002 has 16 divisors (see below), whose sum is σ = 309224833632. Its totient is φ = 98347386480.

The previous prime is 201421322951. The next prime is 201421323007. The reversal of 201421323002 is 200323124102.

It is not an unprimeable number, because it can be changed into a prime (201421323007) 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, 153788 + ... + 653064.

It is an arithmetic number, because the mean of its divisors is an integer number (19326552102).

Almost surely, 2^201421323002 is an apocalyptic number.

201421323002 is a deficient number, since it is larger than the sum of its proper divisors (107803510630).

201421323002 is a wasteful number, since it uses less digits than its factorization.

201421323002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504013.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201421323002 its reverse (200323124102), we get a palindrome (401744447104).

The spelling of 201421323002 in words is "two hundred one billion, four hundred twenty-one million, three hundred twenty-three thousand, two".