201021340002 has 64 divisors (see below), whose sum is σ = 487093720320. Its totient is φ = 53990793216.

The previous prime is 201021339979. The next prime is 201021340027. The reversal of 201021340002 is 200043120102.

201021340002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422098 + ... + 761714.

It is an arithmetic number, because the mean of its divisors is an integer number (7610839380).

Almost surely, 2^201021340002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201021340002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243546860160).

201021340002 is an abundant number, since it is smaller than the sum of its proper divisors (286072380318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201021340002 is a wasteful number, since it uses less digits than its factorization.

201021340002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340475.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201021340002 its reverse (200043120102), we get a palindrome (401064460104).

The spelling of 201021340002 in words is "two hundred one billion, twenty-one million, three hundred forty thousand, two".