121113302224123 has 4 divisors (see below), whose sum is σ = 132123602426328. Its totient is φ = 110103002021920.

The previous prime is 121113302224099. The next prime is 121113302224127. The reversal of 121113302224123 is 321422203311121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121113302224123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121113302224091 and 121113302224100.

It is not an unprimeable number, because it can be changed into a prime (121113302224127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505150101086 + ... + 5505150101107.

It is an arithmetic number, because the mean of its divisors is an integer number (33030900606582).

Almost surely, 2^{121113302224123} is an apocalyptic number.

121113302224123 is a deficient number, since it is larger than the sum of its proper divisors (11010300202205).

121113302224123 is a wasteful number, since it uses less digits than its factorization.

121113302224123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010300202204.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 121113302224123 its reverse (321422203311121), we get a palindrome (442535505535244).

The spelling of 121113302224123 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred two million, two hundred twenty-four thousand, one hundred twenty-three".