1111010001217 has 2 divisors, whose sum is σ = 1111010001218. Its totient is φ = 1111010001216.

The previous prime is 1111010001197. The next prime is 1111010001259. The reversal of 1111010001217 is 7121000101111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 815121871281 + 295888129936 = 902841^2 + 543956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111010001217 - 2²⁷ = 1110875783489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111010001217.

It is not a weakly prime, because it can be changed into another prime (1111010001917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555505000608 + 555505000609.

It is an arithmetic number, because the mean of its divisors is an integer number (555505000609).

Almost surely, 2^{1111010001217} is an apocalyptic number.

It is an amenable number.

1111010001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111010001217 is an equidigital number, since it uses as much as digits as its factorization.

1111010001217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 16.

Adding to 1111010001217 its reverse (7121000101111), we get a palindrome (8232010102328).

The spelling of 1111010001217 in words is "one trillion, one hundred eleven billion, ten million, one thousand, two hundred seventeen".