121121301323 has 8 divisors (see below), whose sum is σ = 132135204096. Its totient is φ = 110107877800.

The previous prime is 121121301319. The next prime is 121121301337. The reversal of 121121301323 is 323103121121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121121301323 - 2² = 121121301319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121121301295 and 121121301304.

It is not an unprimeable number, because it can be changed into a prime (121121301373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593090 + ... + 770712.

It is an arithmetic number, because the mean of its divisors is an integer number (16516900512).

Almost surely, 2^121121301323 is an apocalyptic number.

121121301323 is a deficient number, since it is larger than the sum of its proper divisors (11013902773).

121121301323 is a wasteful number, since it uses less digits than its factorization.

121121301323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239625.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121121301323 its reverse (323103121121), we get a palindrome (444224422444).

The spelling of 121121301323 in words is "one hundred twenty-one billion, one hundred twenty-one million, three hundred one thousand, three hundred twenty-three".