214305221511 has 12 divisors (see below), whose sum is σ = 309562671600. Its totient is φ = 142865216160.

The previous prime is 214305221509. The next prime is 214305221519. The reversal of 214305221511 is 115122503412.

It is a happy number.

214305221511 is a `hidden beast` number, since 2 + 1 + 430 + 5 + 2 + 215 + 11 = 666.

It is not a de Polignac number, because 214305221511 - 2¹ = 214305221509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214305221519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125286 + ... + 666563.

It is an arithmetic number, because the mean of its divisors is an integer number (25796889300).

Almost surely, 2^214305221511 is an apocalyptic number.

214305221511 is a deficient number, since it is larger than the sum of its proper divisors (95257450089).

214305221511 is a wasteful number, since it uses less digits than its factorization.

214305221511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821926 (or 821923 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 214305221511 its reverse (115122503412), we get a palindrome (329427724923).

The spelling of 214305221511 in words is "two hundred fourteen billion, three hundred five million, two hundred twenty-one thousand, five hundred eleven".