2100210020002 has 16 divisors (see below), whose sum is σ = 3216780061272. Its totient is φ = 1028160000000.

The previous prime is 2100210019997. The next prime is 2100210020033. The reversal of 2100210020002 is 2000200120012.

It can be written as a sum of positive squares in 4 ways, for example, as 2068358836041 + 31851183961 = 1438179^2 + 178469^2 .

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, 52479999 + ... + 52520002.

Almost surely, 2^{2100210020002} is an apocalyptic number.

2100210020002 is a deficient number, since it is larger than the sum of its proper divisors (1116570041270).

2100210020002 is a wasteful number, since it uses less digits than its factorization.

2100210020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105000213.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2100210020002 its reverse (2000200120012), we get a palindrome (4100410140014).

The spelling of 2100210020002 in words is "two trillion, one hundred billion, two hundred ten million, twenty thousand, two".