122100101010321 has 24 divisors (see below), whose sum is σ = 197613650620224. Its totient is φ = 66737943407520.

The previous prime is 122100101010289. The next prime is 122100101010331. The reversal of 122100101010321 is 123010101001221.

It is not a de Polignac number, because 122100101010321 - 2⁵ = 122100101010289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122100101010321.

It is not an unprimeable number, because it can be changed into a prime (122100101010331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18056799490 + ... + 18056806251.

It is an arithmetic number, because the mean of its divisors is an integer number (8233902109176).

Almost surely, 2^{122100101010321} is an apocalyptic number.

It is an amenable number.

122100101010321 is a deficient number, since it is larger than the sum of its proper divisors (75513549609903).

122100101010321 is a wasteful number, since it uses less digits than its factorization.

122100101010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36113605781 (or 36113605774 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 122100101010321 its reverse (123010101001221), we get a palindrome (245110202011542).

The spelling of 122100101010321 in words is "one hundred twenty-two trillion, one hundred billion, one hundred one million, ten thousand, three hundred twenty-one".