1123301020321 has 4 divisors (see below), whose sum is σ = 1123309920532. Its totient is φ = 1123292120112.

The previous prime is 1123301020279. The next prime is 1123301020337. The reversal of 1123301020321 is 1230201033211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 915466240000 + 207834780321 = 956800^2 + 455889^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123301020321 - 2³¹ = 1121153536673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123301050321) 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, 4258026 + ... + 4514131.

It is an arithmetic number, because the mean of its divisors is an integer number (280827480133).

Almost surely, 2^{1123301020321} is an apocalyptic number.

It is an amenable number.

1123301020321 is a deficient number, since it is larger than the sum of its proper divisors (8900211).

1123301020321 is an equidigital number, since it uses as much as digits as its factorization.

1123301020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8900210.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1123301020321 its reverse (1230201033211), we get a palindrome (2353502053532).

The spelling of 1123301020321 in words is "one trillion, one hundred twenty-three billion, three hundred one million, twenty thousand, three hundred twenty-one".