121153344424011 has 20 divisors (see below), whose sum is σ = 182847951924792. Its totient is φ = 79936227243648.

The previous prime is 121153344423913. The next prime is 121153344424039. The reversal of 121153344424011 is 110424443351121.

121153344424011 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 533 + 44 + 42 + 40 + 1 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-121153344424011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121153344424061) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7709890605 + ... + 7709906318.

Almost surely, 2^{121153344424011} is an apocalyptic number.

121153344424011 is a deficient number, since it is larger than the sum of its proper divisors (61694607500781).

121153344424011 is an equidigital number, since it uses as much as digits as its factorization.

121153344424011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15419797032 (or 15419797023 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 121153344424011 its reverse (110424443351121), we get a palindrome (231577787775132).

The spelling of 121153344424011 in words is "one hundred twenty-one trillion, one hundred fifty-three billion, three hundred forty-four million, four hundred twenty-four thousand, eleven".