2001322102002 has 16 divisors (see below), whose sum is σ = 4020593283840. Its totient is φ = 664115854032.

The previous prime is 2001322101937. The next prime is 2001322102007. The reversal of 2001322102002 is 2002012231002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2001322102007) 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 7 ways as a sum of consecutive naturals, for example, 747876877 + ... + 747879552.

It is an arithmetic number, because the mean of its divisors is an integer number (251287080240).

Almost surely, 2^{2001322102002} is an apocalyptic number.

2001322102002 is an abundant number, since it is smaller than the sum of its proper divisors (2019271181838).

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

2001322102002 is a wasteful number, since it uses less digits than its factorization.

2001322102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495756657.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2001322102002 its reverse (2002012231002), we get a palindrome (4003334333004).

The spelling of 2001322102002 in words is "two trillion, one billion, three hundred twenty-two million, one hundred two thousand, two".