122102102001001 has 4 divisors (see below), whose sum is σ = 122148688078404. Its totient is φ = 122055515923600.

The previous prime is 122102102000929. The next prime is 122102102001013. The reversal of 122102102001001 is 100100201201221.

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 95666298237225 + 26435803763776 = 9780915^2 + 5141576^2 .

It is a cyclic number.

It is not a de Polignac number, because 122102102001001 - 2¹⁹ = 122102101476713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102102007001) 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 3 ways as a sum of consecutive naturals, for example, 23293034770 + ... + 23293040011.

It is an arithmetic number, because the mean of its divisors is an integer number (30537172019601).

Almost surely, 2^{122102102001001} is an apocalyptic number.

It is an amenable number.

122102102001001 is a deficient number, since it is larger than the sum of its proper divisors (46586077403).

122102102001001 is an equidigital number, since it uses as much as digits as its factorization.

122102102001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46586077402.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122102102001001 its reverse (100100201201221), we get a palindrome (222202303202222).

The spelling of 122102102001001 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred two million, one thousand, one".