2011321102002 has 32 divisors (see below), whose sum is σ = 4089093132480. Its totient is φ = 659367933120.

The previous prime is 2011321101991. The next prime is 2011321102003. The reversal of 2011321102002 is 2002011231102.

It is not an unprimeable number, because it can be changed into a prime (2011321102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2657568 + ... + 3329460.

It is an arithmetic number, because the mean of its divisors is an integer number (127784160390).

Almost surely, 2^{2011321102002} is an apocalyptic number.

2011321102002 is an abundant number, since it is smaller than the sum of its proper divisors (2077772030478).

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

2011321102002 is a wasteful number, since it uses less digits than its factorization.

2011321102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680138.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2011321102002 its reverse (2002011231102), we get a palindrome (4013332333104).

The spelling of 2011321102002 in words is "two trillion, eleven billion, three hundred twenty-one million, one hundred two thousand, two".