2001013210210 has 48 divisors (see below), whose sum is σ = 4190009460984. Its totient is φ = 686039923968.

The previous prime is 2001013210171. The next prime is 2001013210369. The reversal of 2001013210210 is 120123101002.

It can be written as a sum of positive squares in 4 ways, for example, as 926716200921 + 1074297009289 = 962661^2 + 1036483^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26636622 + ... + 26711638.

Almost surely, 2^{2001013210210} is an apocalyptic number.

2001013210210 is an abundant number, since it is smaller than the sum of its proper divisors (2188996250774).

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

2001013210210 is a wasteful number, since it uses less digits than its factorization.

2001013210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129475 (or 129468 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2001013210210 its reverse (120123101002), we get a palindrome (2121136311212).

The spelling of 2001013210210 in words is "two trillion, one billion, thirteen million, two hundred ten thousand, two hundred ten".