102221212330213 has 8 divisors (see below), whose sum is σ = 105772432721400. Its totient is φ = 98671748672448.

The previous prime is 102221212330199. The next prime is 102221212330241. The reversal of 102221212330213 is 312033212122201.

It can be written as a sum of positive squares in 4 ways, for example, as 46135162690369 + 56086049639844 = 6792287^2 + 7489062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102221212330213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221212030213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439064958 + ... + 439297711.

It is an arithmetic number, because the mean of its divisors is an integer number (13221554090175).

Almost surely, 2^{102221212330213} is an apocalyptic number.

It is an amenable number.

102221212330213 is a deficient number, since it is larger than the sum of its proper divisors (3551220391187).

102221212330213 is an equidigital number, since it uses as much as digits as its factorization.

102221212330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878366711.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 102221212330213 its reverse (312033212122201), we get a palindrome (414254424452414).

The spelling of 102221212330213 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twelve million, three hundred thirty thousand, two hundred thirteen".