1123203330101 has 2 divisors, whose sum is σ = 1123203330102. Its totient is φ = 1123203330100.

The previous prime is 1123203330089. The next prime is 1123203330103. The reversal of 1123203330101 is 1010333023211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751560689476 + 371642640625 = 866926^2 + 609625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123203330101 - 2¹⁰ = 1123203329077 is a prime.

Together with 1123203330103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123203330103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561601665050 + 561601665051.

It is an arithmetic number, because the mean of its divisors is an integer number (561601665051).

Almost surely, 2^{1123203330101} is an apocalyptic number.

It is an amenable number.

1123203330101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123203330101 is an equidigital number, since it uses as much as digits as its factorization.

1123203330101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1123203330101 its reverse (1010333023211), we get a palindrome (2133536353312).

The spelling of 1123203330101 in words is "one trillion, one hundred twenty-three billion, two hundred three million, three hundred thirty thousand, one hundred one".