121113300101 has 2 divisors, whose sum is σ = 121113300102. Its totient is φ = 121113300100.

The previous prime is 121113300083. The next prime is 121113300137. The reversal of 121113300101 is 101003311121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96776988100 + 24336312001 = 311090^2 + 156001^2 .

It is an emirp because it is prime and its reverse (101003311121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121113300101 - 2¹⁰ = 121113299077 is a prime.

It is a super-2 number, since 2×121113300101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121113300151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556650050 + 60556650051.

It is an arithmetic number, because the mean of its divisors is an integer number (60556650051).

Almost surely, 2^121113300101 is an apocalyptic number.

It is an amenable number.

121113300101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113300101 is an equidigital number, since it uses as much as digits as its factorization.

121113300101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 121113300101 its reverse (101003311121), we get a palindrome (222116611222).

The spelling of 121113300101 in words is "one hundred twenty-one billion, one hundred thirteen million, three hundred thousand, one hundred one".