1123310212001 has 2 divisors, whose sum is σ = 1123310212002. Its totient is φ = 1123310212000.

The previous prime is 1123310211997. The next prime is 1123310212007. The reversal of 1123310212001 is 1002120133211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024550864401 + 98759347600 = 1012201^2 + 314260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123310212001 - 2² = 1123310211997 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123310212007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561655106000 + 561655106001.

It is an arithmetic number, because the mean of its divisors is an integer number (561655106001).

Almost surely, 2^{1123310212001} is an apocalyptic number.

It is an amenable number.

1123310212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123310212001 is an equidigital number, since it uses as much as digits as its factorization.

1123310212001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1123310212001 its reverse (1002120133211), we get a palindrome (2125430345212).

The spelling of 1123310212001 in words is "one trillion, one hundred twenty-three billion, three hundred ten million, two hundred twelve thousand, one".