102321200000122 has 4 divisors (see below), whose sum is σ = 153481800000186. Its totient is φ = 51160600000060.

The previous prime is 102321200000119. The next prime is 102321200000171. The reversal of 102321200000122 is 221000002123201.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 78839819714041 + 23481380286081 = 8879179^2 + 4845759^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102321200000096 and 102321200000105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25580300000029 + ... + 25580300000032.

Almost surely, 2^{102321200000122} is an apocalyptic number.

102321200000122 is a deficient number, since it is larger than the sum of its proper divisors (51160600000064).

102321200000122 is an equidigital number, since it uses as much as digits as its factorization.

102321200000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51160600000063.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102321200000122 its reverse (221000002123201), we get a palindrome (323321202123323).

The spelling of 102321200000122 in words is "one hundred two trillion, three hundred twenty-one billion, two hundred million, one hundred twenty-two", and thus it is an aban number.