102130333212121 has 8 divisors (see below), whose sum is σ = 104621500794888. Its totient is φ = 99639174384000.

The previous prime is 102130333212119. The next prime is 102130333212133. The reversal of 102130333212121 is 121212333031201.

It can be written as a sum of positive squares in 4 ways, for example, as 5179429498896 + 96950903713225 = 2275836^2 + 9846365^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102130333212121 - 2¹ = 102130333212119 is a prime.

It is a super-3 number, since 3×102130333212121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102130333212181) 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, 25713511 + ... + 29418451.

It is an arithmetic number, because the mean of its divisors is an integer number (13077687599361).

Almost surely, 2^{102130333212121} is an apocalyptic number.

It is an amenable number.

102130333212121 is a deficient number, since it is larger than the sum of its proper divisors (2491167582767).

102130333212121 is an equidigital number, since it uses as much as digits as its factorization.

102130333212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377323.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 102130333212121 its reverse (121212333031201), we get a palindrome (223342666243322).

The spelling of 102130333212121 in words is "one hundred two trillion, one hundred thirty billion, three hundred thirty-three million, two hundred twelve thousand, one hundred twenty-one".