1100201000123 has 2 divisors, whose sum is σ = 1100201000124. Its totient is φ = 1100201000122.

The previous prime is 1100200999999. The next prime is 1100201000137. The reversal of 1100201000123 is 3210001020011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100201000123 - 2²⁰ = 1100199951547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100201200123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550100500061 + 550100500062.

It is an arithmetic number, because the mean of its divisors is an integer number (550100500062).

Almost surely, 2^{1100201000123} is an apocalyptic number.

1100201000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100201000123 is an equidigital number, since it uses as much as digits as its factorization.

1100201000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1100201000123 its reverse (3210001020011), we get a palindrome (4310202020134).

The spelling of 1100201000123 in words is "one trillion, one hundred billion, two hundred one million, one hundred twenty-three", and thus it is an aban number.