1123312320121 has 8 divisors (see below), whose sum is σ = 1184382030080. Its totient is φ = 1062437411088.

The previous prime is 1123312320103. The next prime is 1123312320131. The reversal of 1123312320121 is 1210232133211.

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 1123312320121 - 2⁵ = 1123312320089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123312320092 and 1123312320101.

It is not an unprimeable number, because it can be changed into a prime (1123312320101) 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, 48688386 + ... + 48711451.

It is an arithmetic number, because the mean of its divisors is an integer number (148047753760).

Almost surely, 2^{1123312320121} is an apocalyptic number.

It is an amenable number.

1123312320121 is a deficient number, since it is larger than the sum of its proper divisors (61069709959).

1123312320121 is an equidigital number, since it uses as much as digits as its factorization.

1123312320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97400463.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1123312320121 its reverse (1210232133211), we get a palindrome (2333544453332).

The spelling of 1123312320121 in words is "one trillion, one hundred twenty-three billion, three hundred twelve million, three hundred twenty thousand, one hundred twenty-one".