121121333333 has 16 divisors (see below), whose sum is σ = 162624448896. Its totient is φ = 87120239040.

The previous prime is 121121333303. The next prime is 121121333339. The reversal of 121121333333 is 333333121121.

It is a cyclic number.

It is not a de Polignac number, because 121121333333 - 2¹² = 121121329237 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

121121333333 is a modest number, since divided by 333333 gives 121121 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121333339) 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 15 ways as a sum of consecutive naturals, for example, 60499166 + ... + 60501167.

It is an arithmetic number, because the mean of its divisors is an integer number (10164028056).

Almost surely, 2^121121333333 is an apocalyptic number.

121121333333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121121333333 is a deficient number, since it is larger than the sum of its proper divisors (41503115563).

121121333333 is a wasteful number, since it uses less digits than its factorization.

121121333333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121000364.

The product of its digits is 2916, while the sum is 26.

Adding to 121121333333 its reverse (333333121121), we get a palindrome (454454454454).

It can be divided in two parts, 121121 and 333333, that added together give a palindrome (454454).

The spelling of 121121333333 in words is "one hundred twenty-one billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred thirty-three".