10301821217 has 2 divisors, whose sum is σ = 10301821218. Its totient is φ = 10301821216.

The previous prime is 10301821207. The next prime is 10301821241. The reversal of 10301821217 is 71212810301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5763239056 + 4538582161 = 75916^2 + 67369^2 .

It is a cyclic number.

It is not a de Polignac number, because 10301821217 - 2²⁶ = 10234712353 is a prime.

It is a super-2 number, since 2×10301821217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10301821207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5150910608 + 5150910609.

It is an arithmetic number, because the mean of its divisors is an integer number (5150910609).

Almost surely, 2^10301821217 is an apocalyptic number.

It is an amenable number.

10301821217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10301821217 is an equidigital number, since it uses as much as digits as its factorization.

10301821217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

The spelling of 10301821217 in words is "ten billion, three hundred one million, eight hundred twenty-one thousand, two hundred seventeen".