102223223133121 has 4 divisors (see below), whose sum is σ = 102355465337172. Its totient is φ = 102090980929072.

The previous prime is 102223223133113. The next prime is 102223223133149. The reversal of 102223223133121 is 121331322322201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31153265043121 + 71069958090000 = 5581511^2 + 8430300^2 .

It is a cyclic number.

It is not a de Polignac number, because 102223223133121 - 2³ = 102223223133113 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 102223223133121.

It is not an unprimeable number, because it can be changed into a prime (102223223133821) 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, 66121100866 + ... + 66121102411.

It is an arithmetic number, because the mean of its divisors is an integer number (25588866334293).

Almost surely, 2^{102223223133121} is an apocalyptic number.

It is an amenable number.

102223223133121 is a deficient number, since it is larger than the sum of its proper divisors (132242204051).

102223223133121 is an equidigital number, since it uses as much as digits as its factorization.

102223223133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132242204050.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 102223223133121 its reverse (121331322322201), we get a palindrome (223554545455322).

The spelling of 102223223133121 in words is "one hundred two trillion, two hundred twenty-three billion, two hundred twenty-three million, one hundred thirty-three thousand, one hundred twenty-one".