121423324121 has 16 divisors (see below), whose sum is σ = 132757574400. Its totient is φ = 110138600400.

The previous prime is 121423324097. The next prime is 121423324129.

It is a happy number.

121423324121 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 121423324121 - 2¹⁴ = 121423307737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121423324129) 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, 13470506 + ... + 13479516.

It is an arithmetic number, because the mean of its divisors is an integer number (8297348400).

Almost surely, 2^121423324121 is an apocalyptic number.

121423324121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121423324121 is a deficient number, since it is larger than the sum of its proper divisors (11334250279).

121423324121 is a wasteful number, since it uses less digits than its factorization.

121423324121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11620.

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 121423 and 324121, that added together give a palindrome (445544).

The spelling of 121423324121 in words is "one hundred twenty-one billion, four hundred twenty-three million, three hundred twenty-four thousand, one hundred twenty-one".