102213133231217 has 2 divisors, whose sum is σ = 102213133231218. Its totient is φ = 102213133231216.

The previous prime is 102213133231207. The next prime is 102213133231243. The reversal of 102213133231217 is 712132331312201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100330993439296 + 1882139791921 = 10016536^2 + 1371911^2 .

It is a cyclic number.

It is not a de Polignac number, because 102213133231217 - 2⁴ = 102213133231201 is a prime.

It is not a weakly prime, because it can be changed into another prime (102213133231207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106566615608 + 51106566615609.

It is an arithmetic number, because the mean of its divisors is an integer number (51106566615609).

Almost surely, 2^{102213133231217} is an apocalyptic number.

It is an amenable number.

102213133231217 is a deficient number, since it is larger than the sum of its proper divisors (1).

102213133231217 is an equidigital number, since it uses as much as digits as its factorization.

102213133231217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 102213133231217 its reverse (712132331312201), we get a palindrome (814345464543418).

The spelling of 102213133231217 in words is "one hundred two trillion, two hundred thirteen billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred seventeen".