122101323121 has 4 divisors (see below), whose sum is σ = 122102094244. Its totient is φ = 122100552000.

The previous prime is 122101323103. The next prime is 122101323133. The reversal of 122101323121 is 121323101221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19259888400 + 102841434721 = 138780^2 + 320689^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101323121 - 2⁵ = 122101323089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101323101) 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, 51660 + ... + 496861.

It is an arithmetic number, because the mean of its divisors is an integer number (30525523561).

Almost surely, 2^122101323121 is an apocalyptic number.

It is an amenable number.

122101323121 is a deficient number, since it is larger than the sum of its proper divisors (771123).

122101323121 is an equidigital number, since it uses as much as digits as its factorization.

122101323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771122.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122101323121 its reverse (121323101221), we get a palindrome (243424424342).

It can be divided in two parts, 12210 and 1323121, that added together give a palindrome (1335331).

The spelling of 122101323121 in words is "one hundred twenty-two billion, one hundred one million, three hundred twenty-three thousand, one hundred twenty-one".