1123330301221 has 16 divisors (see below), whose sum is σ = 1200120596784. Its totient is φ = 1047733141504.

The previous prime is 1123330301213. The next prime is 1123330301231. The reversal of 1123330301221 is 1221030333211.

It can be written as a sum of positive squares in 8 ways, for example, as 7074660321 + 1116255640900 = 84111^2 + 1056530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123330301221 - 2³ = 1123330301213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123330301192 and 1123330301201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123330301201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13360911 + ... + 13444723.

It is an arithmetic number, because the mean of its divisors is an integer number (75007537299).

Almost surely, 2^{1123330301221} is an apocalyptic number.

It is an amenable number.

1123330301221 is a deficient number, since it is larger than the sum of its proper divisors (76790295563).

1123330301221 is a wasteful number, since it uses less digits than its factorization.

1123330301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90920.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1123330301221 its reverse (1221030333211), we get a palindrome (2344360634432).

The spelling of 1123330301221 in words is "one trillion, one hundred twenty-three billion, three hundred thirty million, three hundred one thousand, two hundred twenty-one".