221060364529 has 2 divisors, whose sum is σ = 221060364530. Its totient is φ = 221060364528.

The previous prime is 221060364527. The next prime is 221060364559. The reversal of 221060364529 is 925463060122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210254346225 + 10806018304 = 458535^2 + 103952^2 .

It is a cyclic number.

It is not a de Polignac number, because 221060364529 - 2¹ = 221060364527 is a prime.

It is a super-2 number, since 2×221060364529² (a number of 23 digits) contains 22 as substring.

Together with 221060364527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 221060364491 and 221060364500.

It is not a weakly prime, because it can be changed into another prime (221060364521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110530182264 + 110530182265.

It is an arithmetic number, because the mean of its divisors is an integer number (110530182265).

Almost surely, 2^221060364529 is an apocalyptic number.

It is an amenable number.

221060364529 is a deficient number, since it is larger than the sum of its proper divisors (1).

221060364529 is an equidigital number, since it uses as much as digits as its factorization.

221060364529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 221060364529 in words is "two hundred twenty-one billion, sixty million, three hundred sixty-four thousand, five hundred twenty-nine".