511421030211 has 32 divisors (see below), whose sum is σ = 841124390400. Its totient is φ = 269159675904.

The previous prime is 511421030207. The next prime is 511421030227. The reversal of 511421030211 is 112030124115.

It is not a de Polignac number, because 511421030211 - 2² = 511421030207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (511421030291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1963545 + ... + 2208698.

It is an arithmetic number, because the mean of its divisors is an integer number (26285137200).

Almost surely, 2^511421030211 is an apocalyptic number.

511421030211 is a deficient number, since it is larger than the sum of its proper divisors (329703360189).

511421030211 is a wasteful number, since it uses less digits than its factorization.

511421030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172715.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 511421030211 its reverse (112030124115), we get a palindrome (623451154326).

The spelling of 511421030211 in words is "five hundred eleven billion, four hundred twenty-one million, thirty thousand, two hundred eleven".