122102130110321 has 4 divisors (see below), whose sum is σ = 122325351555312. Its totient is φ = 121878908665332.

The previous prime is 122102130110309. The next prime is 122102130110329. The reversal of 122102130110321 is 123011031201221.

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 a de Polignac number, because none of the positive numbers 2^k-122102130110321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102130110293 and 122102130110302.

It is not an unprimeable number, because it can be changed into a prime (122102130110329) 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, 111610721675 + ... + 111610722768.

It is an arithmetic number, because the mean of its divisors is an integer number (30581337888828).

Almost surely, 2^{122102130110321} is an apocalyptic number.

It is an amenable number.

122102130110321 is a deficient number, since it is larger than the sum of its proper divisors (223221444991).

122102130110321 is an equidigital number, since it uses as much as digits as its factorization.

122102130110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223221444990.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 122102130110321 its reverse (123011031201221), we get a palindrome (245113161311542).

The spelling of 122102130110321 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred thirty million, one hundred ten thousand, three hundred twenty-one".