2100021202010 has 32 divisors (see below), whose sum is σ = 3852509057280. Its totient is φ = 824008756032.

The previous prime is 2100021202007. The next prime is 2100021202021. The reversal of 2100021202010 is 102021200012.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2100021201982 and 2100021202000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6397109 + ... + 6717368.

It is an arithmetic number, because the mean of its divisors is an integer number (120390908040).

Almost surely, 2^{2100021202010} is an apocalyptic number.

2100021202010 is a deficient number, since it is larger than the sum of its proper divisors (1752487855270).

2100021202010 is a wasteful number, since it uses less digits than its factorization.

2100021202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114790.

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

Adding to 2100021202010 its reverse (102021200012), we get a palindrome (2202042402022).

The spelling of 2100021202010 in words is "two trillion, one hundred billion, twenty-one million, two hundred two thousand, ten".