2001202102210 has 8 divisors (see below), whose sum is σ = 3602163783996. Its totient is φ = 800480840880.

The previous prime is 2001202102201. The next prime is 2001202102217. The reversal of 2001202102210 is 122012021002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1845601043841 + 155601058369 = 1358529^2 + 394463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2001202102217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 100060105101 + ... + 100060105120.

Almost surely, 2^{2001202102210} is an apocalyptic number.

2001202102210 is a deficient number, since it is larger than the sum of its proper divisors (1600961681786).

2001202102210 is a wasteful number, since it uses less digits than its factorization.

2001202102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200120210228.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2001202102210 its reverse (122012021002), we get a palindrome (2123214123212).

The spelling of 2001202102210 in words is "two trillion, one billion, two hundred two million, one hundred two thousand, two hundred ten".