1100101043 has 2 divisors, whose sum is σ = 1100101044. Its totient is φ = 1100101042.

The previous prime is 1100101027. The next prime is 1100101049. The reversal of 1100101043 is 3401010011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100101043 - 2⁴ = 1100101027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1100101049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550050521 + 550050522.

It is an arithmetic number, because the mean of its divisors is an integer number (550050522).

Almost surely, 2^1100101043 is an apocalyptic number.

1100101043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100101043 is an equidigital number, since it uses as much as digits as its factorization.

1100101043 is an evil number, because the sum of its binary digits is even.

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

The square root of 1100101043 is about 33167.7711491140. The cubic root of 1100101043 is about 1032.3117219673.

Adding to 1100101043 its reverse (3401010011), we get a palindrome (4501111054).

The spelling of 1100101043 in words is "one billion, one hundred million, one hundred one thousand, forty-three".