102121001017 has 4 divisors (see below), whose sum is σ = 116709715456. Its totient is φ = 87532286580.

The previous prime is 102121001011. The next prime is 102121001083. The reversal of 102121001017 is 710100121201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102121001017 - 2¹⁵ = 102120968249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7294357209 + ... + 7294357222.

It is an arithmetic number, because the mean of its divisors is an integer number (29177428864).

Almost surely, 2^102121001017 is an apocalyptic number.

It is an amenable number.

102121001017 is a deficient number, since it is larger than the sum of its proper divisors (14588714439).

102121001017 is an equidigital number, since it uses as much as digits as its factorization.

102121001017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14588714438.

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

Adding to 102121001017 its reverse (710100121201), we get a palindrome (812221122218).

The spelling of 102121001017 in words is "one hundred two billion, one hundred twenty-one million, one thousand, seventeen".