2003012021010 has 512 divisors, whose sum is σ = 6852042989568. Its totient is φ = 360647147520.

The previous prime is 2003012020949. The next prime is 2003012021057. The reversal of 2003012021010 is 101202103002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 202667529 + ... + 202677411.

It is an arithmetic number, because the mean of its divisors is an integer number (13382896464).

Almost surely, 2^{2003012021010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003012021010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3426021494784).

2003012021010 is an abundant number, since it is smaller than the sum of its proper divisors (4849030968558).

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

2003012021010 is a wasteful number, since it uses less digits than its factorization.

2003012021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2003012021010 its reverse (101202103002), we get a palindrome (2104214124012).

The spelling of 2003012021010 in words is "two trillion, three billion, twelve million, twenty-one thousand, ten".