1210011112217 has 2 divisors, whose sum is σ = 1210011112218. Its totient is φ = 1210011112216.

The previous prime is 1210011112181. The next prime is 1210011112259. The reversal of 1210011112217 is 7122111100121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098228545296 + 111782566921 = 1047964^2 + 334339^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210011112217 - 2¹⁰ = 1210011111193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210011132217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605005556108 + 605005556109.

It is an arithmetic number, because the mean of its divisors is an integer number (605005556109).

Almost surely, 2^{1210011112217} is an apocalyptic number.

It is an amenable number.

1210011112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210011112217 is an equidigital number, since it uses as much as digits as its factorization.

1210011112217 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 20.

Adding to 1210011112217 its reverse (7122111100121), we get a palindrome (8332122212338).

The spelling of 1210011112217 in words is "one trillion, two hundred ten billion, eleven million, one hundred twelve thousand, two hundred seventeen".