121443251133 has 8 divisors (see below), whose sum is σ = 161927097696. Its totient is φ = 80960786000.

The previous prime is 121443251113. The next prime is 121443251243. The reversal of 121443251133 is 331152344121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121443251133 - 2¹⁷ = 121443120061 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121443251133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121443251113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119043 + ... + 507008.

It is an arithmetic number, because the mean of its divisors is an integer number (20240887212).

Almost surely, 2^121443251133 is an apocalyptic number.

It is an amenable number.

121443251133 is a deficient number, since it is larger than the sum of its proper divisors (40483846563).

121443251133 is an equidigital number, since it uses as much as digits as its factorization.

121443251133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690715.

The product of its digits is 8640, while the sum is 30.

Adding to 121443251133 its reverse (331152344121), we get a palindrome (452595595254).

The spelling of 121443251133 in words is "one hundred twenty-one billion, four hundred forty-three million, two hundred fifty-one thousand, one hundred thirty-three".