1223301132121 has 2 divisors, whose sum is σ = 1223301132122. Its totient is φ = 1223301132120.

The previous prime is 1223301132101. The next prime is 1223301132143. The reversal of 1223301132121 is 1212311033221.

It is an a-pointer prime, because the next prime (1223301132143) can be obtained adding 1223301132121 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 856622440521 + 366678691600 = 925539^2 + 605540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223301132121 - 2¹⁷ = 1223301001049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223301132092 and 1223301132101.

It is not a weakly prime, because it can be changed into another prime (1223301132101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611650566060 + 611650566061.

It is an arithmetic number, because the mean of its divisors is an integer number (611650566061).

Almost surely, 2^{1223301132121} is an apocalyptic number.

It is an amenable number.

1223301132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223301132121 is an equidigital number, since it uses as much as digits as its factorization.

1223301132121 is an evil number, because the sum of its binary digits is even.

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

Adding to 1223301132121 its reverse (1212311033221), we get a palindrome (2435612165342).

The spelling of 1223301132121 in words is "one trillion, two hundred twenty-three billion, three hundred one million, one hundred thirty-two thousand, one hundred twenty-one".