201210021001002 has 128 divisors (see below), whose sum is σ = 459502525440000. Its totient is φ = 58308339006720.

The previous prime is 201210021000979. The next prime is 201210021001027. The reversal of 201210021001002 is 200100120012102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5964624 + ... + 20928372.

It is an arithmetic number, because the mean of its divisors is an integer number (3589863480000).

Almost surely, 2^{201210021001002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201210021001002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229751262720000).

201210021001002 is an abundant number, since it is smaller than the sum of its proper divisors (258292504438998).

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

201210021001002 is a wasteful number, since it uses less digits than its factorization.

201210021001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14963948.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201210021001002 its reverse (200100120012102), we get a palindrome (401310141013104).

The spelling of 201210021001002 in words is "two hundred one trillion, two hundred ten billion, twenty-one million, one thousand, two".