2100221020002 has 32 divisors (see below), whose sum is σ = 4806747792000. Its totient is φ = 599282823168.

The previous prime is 2100221019983. The next prime is 2100221020033. The reversal of 2100221020002 is 2000201220012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100221020002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32480877 + ... + 32545472.

It is an arithmetic number, because the mean of its divisors is an integer number (150210868500).

Almost surely, 2^{2100221020002} is an apocalyptic number.

2100221020002 is an abundant number, since it is smaller than the sum of its proper divisors (2706526771998).

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

2100221020002 is a wasteful number, since it uses less digits than its factorization.

2100221020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65027130.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2100221020002 its reverse (2000201220012), we get a palindrome (4100422240014).

The spelling of 2100221020002 in words is "two trillion, one hundred billion, two hundred twenty-one million, twenty thousand, two".