2001100122002 has 16 divisors (see below), whose sum is σ = 3005111793600. Its totient is φ = 999396855600.

The previous prime is 2001100121971. The next prime is 2001100122019. The reversal of 2001100122002 is 2002210011002.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 5919752 + ... + 6248652.

It is an arithmetic number, because the mean of its divisors is an integer number (187819487100).

Almost surely, 2^{2001100122002} is an apocalyptic number.

2001100122002 is a deficient number, since it is larger than the sum of its proper divisors (1004011671598).

2001100122002 is a wasteful number, since it uses less digits than its factorization.

2001100122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332401.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2001100122002 its reverse (2002210011002), we get a palindrome (4003310133004).

The spelling of 2001100122002 in words is "two trillion, one billion, one hundred million, one hundred twenty-two thousand, two".