21288151301 has 2 divisors, whose sum is σ = 21288151302. Its totient is φ = 21288151300.

The previous prime is 21288151289. The next prime is 21288151309. The reversal of 21288151301 is 10315188212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12105720676 + 9182430625 = 110026^2 + 95825^2 .

It is a cyclic number.

It is not a de Polignac number, because 21288151301 - 2⁶ = 21288151237 is a prime.

It is a super-3 number, since 3×21288151301³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21288151309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10644075650 + 10644075651.

It is an arithmetic number, because the mean of its divisors is an integer number (10644075651).

Almost surely, 2^21288151301 is an apocalyptic number.

It is an amenable number.

21288151301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21288151301 is an equidigital number, since it uses as much as digits as its factorization.

21288151301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 32.

The spelling of 21288151301 in words is "twenty-one billion, two hundred eighty-eight million, one hundred fifty-one thousand, three hundred one".