121323330101 has 2 divisors, whose sum is σ = 121323330102. Its totient is φ = 121323330100.

The previous prime is 121323330091. The next prime is 121323330137. The reversal of 121323330101 is 101033323121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119404802500 + 1918527601 = 345550^2 + 43801^2 .

It is a cyclic number.

It is not a de Polignac number, because 121323330101 - 2¹⁴ = 121323313717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121323330001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60661665050 + 60661665051.

It is an arithmetic number, because the mean of its divisors is an integer number (60661665051).

Almost surely, 2^121323330101 is an apocalyptic number.

It is an amenable number.

121323330101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121323330101 is an equidigital number, since it uses as much as digits as its factorization.

121323330101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121323330101 its reverse (101033323121), we get a palindrome (222356653222).

The spelling of 121323330101 in words is "one hundred twenty-one billion, three hundred twenty-three million, three hundred thirty thousand, one hundred one".