2100202010210 has 16 divisors (see below), whose sum is σ = 3790081783800. Its totient is φ = 837921211776.

The previous prime is 2100202010183. The next prime is 2100202010239. The reversal of 2100202010210 is 120102020012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1160603299969 + 939598710241 = 1077313^2 + 969329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100202010191 and 2100202010200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269944955 + ... + 269952734.

Almost surely, 2^{2100202010210} is an apocalyptic number.

2100202010210 is a deficient number, since it is larger than the sum of its proper divisors (1689879773590).

2100202010210 is a wasteful number, since it uses less digits than its factorization.

2100202010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539898085.

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

Adding to 2100202010210 its reverse (120102020012), we get a palindrome (2220304030222).

The spelling of 2100202010210 in words is "two trillion, one hundred billion, two hundred two million, ten thousand, two hundred ten".