121300331211 has 6 divisors (see below), whose sum is σ = 175211589540. Its totient is φ = 80866887468.

The previous prime is 121300331209. The next prime is 121300331213. The reversal of 121300331211 is 112133003121.

121300331211 is a `hidden beast` number, since 1 + 21 + 300 + 331 + 2 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (121300331209) and next prime (121300331213).

It is not a de Polignac number, because 121300331211 - 2¹ = 121300331209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121300331213) 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 in 5 ways as a sum of consecutive naturals, for example, 6738907281 + ... + 6738907298.

It is an arithmetic number, because the mean of its divisors is an integer number (29201931590).

Almost surely, 2^121300331211 is an apocalyptic number.

121300331211 is a deficient number, since it is larger than the sum of its proper divisors (53911258329).

121300331211 is a wasteful number, since it uses less digits than its factorization.

121300331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13477814585 (or 13477814582 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121300331211 its reverse (112133003121), we get a palindrome (233433334332).

The spelling of 121300331211 in words is "one hundred twenty-one billion, three hundred million, three hundred thirty-one thousand, two hundred eleven".