211321132240053 has 16 divisors (see below), whose sum is σ = 307398762662400. Its totient is φ = 128064009181680.

The previous prime is 211321132240019. The next prime is 211321132240081. The reversal of 211321132240053 is 350042231123112.

It is not a de Polignac number, because 211321132240053 - 2¹³ = 211321132231861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211321132240053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211321132260053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234651193 + ... + 235550046.

It is an arithmetic number, because the mean of its divisors is an integer number (19212422666400).

Almost surely, 2^{211321132240053} is an apocalyptic number.

It is an amenable number.

211321132240053 is a deficient number, since it is larger than the sum of its proper divisors (96077630422347).

211321132240053 is a wasteful number, since it uses less digits than its factorization.

211321132240053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470214872.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 211321132240053 its reverse (350042231123112), we get a palindrome (561363363363165).

The spelling of 211321132240053 in words is "two hundred eleven trillion, three hundred twenty-one billion, one hundred thirty-two million, two hundred forty thousand, fifty-three".