2002121201010 has 256 divisors, whose sum is σ = 5759515238400. Its totient is φ = 435504605184.

The previous prime is 2002121200991. The next prime is 2002121201027. The reversal of 2002121201010 is 101021212002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1199592456 + ... + 1199594124.

It is an arithmetic number, because the mean of its divisors is an integer number (22498106400).

Almost surely, 2^{2002121201010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002121201010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2879757619200).

2002121201010 is an abundant number, since it is smaller than the sum of its proper divisors (3757394037390).

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

2002121201010 is a wasteful number, since it uses less digits than its factorization.

2002121201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

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

Adding to 2002121201010 its reverse (101021212002), we get a palindrome (2103142413012).

The spelling of 2002121201010 in words is "two trillion, two billion, one hundred twenty-one million, two hundred one thousand, ten".