1100111078233 has 2 divisors, whose sum is σ = 1100111078234. Its totient is φ = 1100111078232.

The previous prime is 1100111078219. The next prime is 1100111078257. The reversal of 1100111078233 is 3328701110011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 812887969609 + 287223108624 = 901603^2 + 535932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100111078233 - 2¹³ = 1100111070041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100111078333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550055539116 + 550055539117.

It is an arithmetic number, because the mean of its divisors is an integer number (550055539117).

Almost surely, 2^{1100111078233} is an apocalyptic number.

It is an amenable number.

1100111078233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100111078233 is an equidigital number, since it uses as much as digits as its factorization.

1100111078233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 1100111078233 its reverse (3328701110011), we get a palindrome (4428812188244).

The spelling of 1100111078233 in words is "one trillion, one hundred billion, one hundred eleven million, seventy-eight thousand, two hundred thirty-three".