210255513122071 has 2 divisors, whose sum is σ = 210255513122072. Its totient is φ = 210255513122070.

The previous prime is 210255513122051. The next prime is 210255513122087. The reversal of 210255513122071 is 170221315552012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210255513122071 - 2¹³ = 210255513113879 is a prime.

It is a super-3 number, since 3×210255513122071³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210255513122071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210255513122051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105127756561035 + 105127756561036.

It is an arithmetic number, because the mean of its divisors is an integer number (105127756561036).

Almost surely, 2^{210255513122071} is an apocalyptic number.

210255513122071 is a deficient number, since it is larger than the sum of its proper divisors (1).

210255513122071 is an equidigital number, since it uses as much as digits as its factorization.

210255513122071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 37.

Adding to 210255513122071 its reverse (170221315552012), we get a palindrome (380476828674083).

The spelling of 210255513122071 in words is "two hundred ten trillion, two hundred fifty-five billion, five hundred thirteen million, one hundred twenty-two thousand, seventy-one".