2100221120002 has 16 divisors (see below), whose sum is σ = 3188723566392. Its totient is φ = 1037390590080.

The previous prime is 2100221119963. The next prime is 2100221120003. The reversal of 2100221120002 is 2000211220012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1757796020761 + 342425099241 = 1325819^2 + 585171^2 .

It is not an unprimeable number, because it can be changed into a prime (2100221120003) 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, 19276899 + ... + 19385542.

Almost surely, 2^{2100221120002} is an apocalyptic number.

2100221120002 is a deficient number, since it is larger than the sum of its proper divisors (1088502446390).

2100221120002 is a wasteful number, since it uses less digits than its factorization.

2100221120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38662773.

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

Adding to 2100221120002 its reverse (2000211220012), we get a palindrome (4100432340014).

The spelling of 2100221120002 in words is "two trillion, one hundred billion, two hundred twenty-one million, one hundred twenty thousand, two".