210111100000210 has 8 divisors (see below), whose sum is σ = 378199980000396. Its totient is φ = 84044440000080.

The previous prime is 210111100000057. The next prime is 210111100000231. The reversal of 210111100000210 is 12000001111012.

It can be written as a sum of positive squares in 2 ways, for example, as 209674946744649 + 436153255561 = 14480157^2 + 660419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 21011110000021 = 210111100000210 / (2 + 1 + 0 + 1 + 1 + 1 + 1 + 0 + 0 + 0 + 0 + 0 + 2 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10505555000001 + ... + 10505555000020.

Almost surely, 2^{210111100000210} is an apocalyptic number.

210111100000210 is a deficient number, since it is larger than the sum of its proper divisors (168088880000186).

210111100000210 is a wasteful number, since it uses less digits than its factorization.

210111100000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21011110000028.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210111100000210 its reverse (12000001111012), we get a palindrome (222111101111222).

The spelling of 210111100000210 in words is "two hundred ten trillion, one hundred eleven billion, one hundred million, two hundred ten", and thus it is an aban number.