1100023021133 has 2 divisors, whose sum is σ = 1100023021134. Its totient is φ = 1100023021132.

The previous prime is 1100023021099. The next prime is 1100023021159. The reversal of 1100023021133 is 3311203200011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 817863392164 + 282159628969 = 904358^2 + 531187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100023021133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100023021733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550011510566 + 550011510567.

It is an arithmetic number, because the mean of its divisors is an integer number (550011510567).

Almost surely, 2^{1100023021133} is an apocalyptic number.

It is an amenable number.

1100023021133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100023021133 is an equidigital number, since it uses as much as digits as its factorization.

1100023021133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1100023021133 its reverse (3311203200011), we get a palindrome (4411226221144).

The spelling of 1100023021133 in words is "one trillion, one hundred billion, twenty-three million, twenty-one thousand, one hundred thirty-three".