10102221438817 has 4 divisors (see below), whose sum is σ = 10541448457920. Its totient is φ = 9662994419716.

The previous prime is 10102221438761. The next prime is 10102221438833. The reversal of 10102221438817 is 71883412220101.

10102221438817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10102221438817 - 2¹⁹ = 10102220914529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102221438817.

It is not an unprimeable number, because it can be changed into a prime (10102221438917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219613509517 + ... + 219613509562.

It is an arithmetic number, because the mean of its divisors is an integer number (2635362114480).

Almost surely, 2^{10102221438817} is an apocalyptic number.

It is an amenable number.

10102221438817 is a deficient number, since it is larger than the sum of its proper divisors (439227019103).

10102221438817 is an equidigital number, since it uses as much as digits as its factorization.

10102221438817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439227019102.

The product of its (nonzero) digits is 43008, while the sum is 40.

Adding to 10102221438817 its reverse (71883412220101), we get a palindrome (81985633658918).

The spelling of 10102221438817 in words is "ten trillion, one hundred two billion, two hundred twenty-one million, four hundred thirty-eight thousand, eight hundred seventeen".