2100010200210 has 48 divisors (see below), whose sum is σ = 5880028563864. Its totient is φ = 516925587456.

The previous prime is 2100010200191. The next prime is 2100010200227. The reversal of 2100010200210 is 120020100012.

It can be written as a sum of positive squares in 4 ways, for example, as 1456759683369 + 643250516841 = 1206963^2 + 802029^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2100010200192 and 2100010200201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 897439087 + ... + 897441426.

Almost surely, 2^{2100010200210} is an apocalyptic number.

2100010200210 is an abundant number, since it is smaller than the sum of its proper divisors (3780018363654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100010200210 is a wasteful number, since it uses less digits than its factorization.

2100010200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794880539 (or 1794880536 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2100010200210 its reverse (120020100012), we get a palindrome (2220030300222).

The spelling of 2100010200210 in words is "two trillion, one hundred billion, ten million, two hundred thousand, two hundred ten".