121342113224 has 16 divisors (see below), whose sum is σ = 227781337200. Its totient is φ = 60600423312.

The previous prime is 121342113199. The next prime is 121342113253. The reversal of 121342113224 is 422311243121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121342113193 and 121342113202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8821862 + ... + 8835605.

It is an arithmetic number, because the mean of its divisors is an integer number (14236333575).

Almost surely, 2^121342113224 is an apocalyptic number.

It is an amenable number.

121342113224 is a deficient number, since it is larger than the sum of its proper divisors (106439223976).

121342113224 is a wasteful number, since it uses less digits than its factorization.

121342113224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17658332 (or 17658328 counting only the distinct ones).

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

Adding to 121342113224 its reverse (422311243121), we get a palindrome (543653356345).

The spelling of 121342113224 in words is "one hundred twenty-one billion, three hundred forty-two million, one hundred thirteen thousand, two hundred twenty-four".