215110317229 has 2 divisors, whose sum is σ = 215110317230. Its totient is φ = 215110317228.

The previous prime is 215110317211. The next prime is 215110317259. The reversal of 215110317229 is 922713011512.

215110317229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166623158025 + 48487159204 = 408195^2 + 220198^2 .

It is a cyclic number.

It is not a de Polignac number, because 215110317229 - 2⁹ = 215110316717 is a prime.

It is a super-2 number, since 2×215110317229² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215110317194 and 215110317203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215110317259) 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, 107555158614 + 107555158615.

It is an arithmetic number, because the mean of its divisors is an integer number (107555158615).

Almost surely, 2^215110317229 is an apocalyptic number.

It is an amenable number.

215110317229 is a deficient number, since it is larger than the sum of its proper divisors (1).

215110317229 is an equidigital number, since it uses as much as digits as its factorization.

215110317229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 215110317229 in words is "two hundred fifteen billion, one hundred ten million, three hundred seventeen thousand, two hundred twenty-nine".