211121200210210 has 8 divisors (see below), whose sum is σ = 380018160378396. Its totient is φ = 84448480084080.

The previous prime is 211121200210199. The next prime is 211121200210231. The reversal of 211121200210210 is 12012002121112.

It can be written as a sum of positive squares in 2 ways, for example, as 210274621720801 + 846578489409 = 14500849^2 + 920097^2 .

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

It is a super-2 number, since 2×211121200210210² (a number of 29 digits) contains 22 as substring.

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, 10556060010501 + ... + 10556060010520.

Almost surely, 2^{211121200210210} is an apocalyptic number.

211121200210210 is a deficient number, since it is larger than the sum of its proper divisors (168896960168186).

211121200210210 is a wasteful number, since it uses less digits than its factorization.

211121200210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112120021028.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211121200210210 its reverse (12012002121112), we get a palindrome (223133202331322).

The spelling of 211121200210210 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred million, two hundred ten thousand, two hundred ten".