211264330401373 has 2 divisors, whose sum is σ = 211264330401374. Its totient is φ = 211264330401372.

The previous prime is 211264330401367. The next prime is 211264330401401. The reversal of 211264330401373 is 373104033462112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202954128962809 + 8310201438564 = 14246197^2 + 2882742^2 .

It is a cyclic number.

It is not a de Polignac number, because 211264330401373 - 2²¹ = 211264328304221 is a prime.

It is a super-2 number, since 2×211264330401373² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211264330407373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105632165200686 + 105632165200687.

It is an arithmetic number, because the mean of its divisors is an integer number (105632165200687).

Almost surely, 2^{211264330401373} is an apocalyptic number.

It is an amenable number.

211264330401373 is a deficient number, since it is larger than the sum of its proper divisors (1).

211264330401373 is an equidigital number, since it uses as much as digits as its factorization.

211264330401373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 40.

Adding to 211264330401373 its reverse (373104033462112), we get a palindrome (584368363863485).

The spelling of 211264330401373 in words is "two hundred eleven trillion, two hundred sixty-four billion, three hundred thirty million, four hundred one thousand, three hundred seventy-three".