211500720010 has 8 divisors (see below), whose sum is σ = 380701296036. Its totient is φ = 84600288000.

The previous prime is 211500719999. The next prime is 211500720061. The reversal of 211500720010 is 10027005112.

It can be written as a sum of positive squares in 2 ways, for example, as 211492373689 + 8346321 = 459883^2 + 2889^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 211500720010.

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, 10575035991 + ... + 10575036010.

Almost surely, 2^211500720010 is an apocalyptic number.

211500720010 is a deficient number, since it is larger than the sum of its proper divisors (169200576026).

211500720010 is a wasteful number, since it uses less digits than its factorization.

211500720010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21150072008.

The product of its (nonzero) digits is 140, while the sum is 19.

Adding to 211500720010 its reverse (10027005112), we get a palindrome (221527725122).

The spelling of 211500720010 in words is "two hundred eleven billion, five hundred million, seven hundred twenty thousand, ten".