1010021002217 has 2 divisors, whose sum is σ = 1010021002218. Its totient is φ = 1010021002216.

The previous prime is 1010021002163. The next prime is 1010021002303. The reversal of 1010021002217 is 7122001200101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1001368467856 + 8652534361 = 1000684^2 + 93019^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010021002217 - 2⁶ = 1010021002153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010021002195 and 1010021002204.

It is not a weakly prime, because it can be changed into another prime (1010021001217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010501108 + 505010501109.

It is an arithmetic number, because the mean of its divisors is an integer number (505010501109).

Almost surely, 2^{1010021002217} is an apocalyptic number.

It is an amenable number.

1010021002217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010021002217 is an equidigital number, since it uses as much as digits as its factorization.

1010021002217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 1010021002217 its reverse (7122001200101), we get a palindrome (8132022202318).

The spelling of 1010021002217 in words is "one trillion, ten billion, twenty-one million, two thousand, two hundred seventeen".