121121230131133 has 16 divisors (see below), whose sum is σ = 125812040841216. Its totient is φ = 116480056043520.

The previous prime is 121121230131127. The next prime is 121121230131149. The reversal of 121121230131133 is 331131032121121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121121230131133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121121230131098 and 121121230131107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121230131103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5590141 + ... + 16537597.

It is an arithmetic number, because the mean of its divisors is an integer number (7863252552576).

Almost surely, 2^{121121230131133} is an apocalyptic number.

It is an amenable number.

121121230131133 is a deficient number, since it is larger than the sum of its proper divisors (4690810710083).

121121230131133 is a wasteful number, since it uses less digits than its factorization.

121121230131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10949724.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 121121230131133 its reverse (331131032121121), we get a palindrome (452252262252254).

The spelling of 121121230131133 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred thirty million, one hundred thirty-one thousand, one hundred thirty-three".