121331330113 has 16 divisors (see below), whose sum is σ = 140117232640. Its totient is φ = 102913520976.

The previous prime is 121331330111. The next prime is 121331330117. The reversal of 121331330113 is 311033133121.

It is not a de Polignac number, because 121331330113 - 2¹ = 121331330111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121331330111) 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, 95620 + ... + 501802.

It is an arithmetic number, because the mean of its divisors is an integer number (8757327040).

Almost surely, 2^121331330113 is an apocalyptic number.

It is an amenable number.

121331330113 is a deficient number, since it is larger than the sum of its proper divisors (18785902527).

121331330113 is a wasteful number, since it uses less digits than its factorization.

121331330113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406636.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 121331330113 its reverse (311033133121), we get a palindrome (432364463234).

The spelling of 121331330113 in words is "one hundred twenty-one billion, three hundred thirty-one million, three hundred thirty thousand, one hundred thirteen".