201002101002 has 24 divisors (see below), whose sum is σ = 449553087360. Its totient is φ = 64839387240.

The previous prime is 201002100977. The next prime is 201002101019. The reversal of 201002101002 is 200101200102.

201002101002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180108852 + ... + 180109967.

It is an arithmetic number, because the mean of its divisors is an integer number (18731378640).

Almost surely, 2^201002101002 is an apocalyptic number.

201002101002 is an abundant number, since it is smaller than the sum of its proper divisors (248550986358).

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

201002101002 is a wasteful number, since it uses less digits than its factorization.

201002101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360218858 (or 360218855 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201002101002 its reverse (200101200102), we get a palindrome (401103301104).

The spelling of 201002101002 in words is "two hundred one billion, two million, one hundred one thousand, two".