2100211020002 has 16 divisors (see below), whose sum is σ = 3335754479832. Its totient is φ = 988297497600.

The previous prime is 2100211020001. The next prime is 2100211020023. The reversal of 2100211020002 is 2000201120012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1618948319641 + 481262700361 = 1272379^2 + 693731^2 .

It is not an unprimeable number, because it can be changed into a prime (2100211020001) 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, 229499 + ... + 2062302.

Almost surely, 2^{2100211020002} is an apocalyptic number.

2100211020002 is a deficient number, since it is larger than the sum of its proper divisors (1235543459830).

2100211020002 is a wasteful number, since it uses less digits than its factorization.

2100211020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318773.

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

Adding to 2100211020002 its reverse (2000201120012), we get a palindrome (4100412140014).

The spelling of 2100211020002 in words is "two trillion, one hundred billion, two hundred eleven million, twenty thousand, two".