102011021017 has 2 divisors, whose sum is σ = 102011021018. Its totient is φ = 102011021016.

The previous prime is 102011021011. The next prime is 102011021023. The reversal of 102011021017 is 710120110201.

It is a balanced prime because it is at equal distance from previous prime (102011021011) and next prime (102011021023).

It can be written as a sum of positive squares in only one way, i.e., 96603477721 + 5407543296 = 310811^2 + 73536^2 .

It is a cyclic number.

It is not a de Polignac number, because 102011021017 - 2¹⁹ = 102010496729 is a prime.

It is not a weakly prime, because it can be changed into another prime (102011021011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005510508 + 51005510509.

It is an arithmetic number, because the mean of its divisors is an integer number (51005510509).

Almost surely, 2^102011021017 is an apocalyptic number.

It is an amenable number.

102011021017 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011021017 is an equidigital number, since it uses as much as digits as its factorization.

102011021017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 102011021017 its reverse (710120110201), we get a palindrome (812131131218).

The spelling of 102011021017 in words is "one hundred two billion, eleven million, twenty-one thousand, seventeen".