121113332121 has 16 divisors (see below), whose sum is σ = 164258597888. Its totient is φ = 79357190400.

The previous prime is 121113332099. The next prime is 121113332147. The reversal of 121113332121 is 121233311121.

It is not a de Polignac number, because 121113332121 - 2⁶ = 121113332057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121113332621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17785 + ... + 492486.

It is an arithmetic number, because the mean of its divisors is an integer number (10266162368).

Almost surely, 2^121113332121 is an apocalyptic number.

It is an amenable number.

121113332121 is a deficient number, since it is larger than the sum of its proper divisors (43145265767).

121113332121 is a wasteful number, since it uses less digits than its factorization.

121113332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511632.

The product of its digits is 216, while the sum is 21.

Adding to 121113332121 its reverse (121233311121), we get a palindrome (242346643242).

The spelling of 121113332121 in words is "one hundred twenty-one billion, one hundred thirteen million, three hundred thirty-two thousand, one hundred twenty-one".