121001223233123 has 2 divisors, whose sum is σ = 121001223233124. Its totient is φ = 121001223233122.

The previous prime is 121001223233113. The next prime is 121001223233201. The reversal of 121001223233123 is 321332322100121.

It is a weak prime.

It is an emirp because it is prime and its reverse (321332322100121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121001223233123 - 2³⁶ = 120932503756387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121001223233092 and 121001223233101.

It is not a weakly prime, because it can be changed into another prime (121001223233113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500611616561 + 60500611616562.

It is an arithmetic number, because the mean of its divisors is an integer number (60500611616562).

Almost surely, 2^{121001223233123} is an apocalyptic number.

121001223233123 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001223233123 is an equidigital number, since it uses as much as digits as its factorization.

121001223233123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 121001223233123 its reverse (321332322100121), we get a palindrome (442333545333244).

The spelling of 121001223233123 in words is "one hundred twenty-one trillion, one billion, two hundred twenty-three million, two hundred thirty-three thousand, one hundred twenty-three".