1101100123 has 2 divisors, whose sum is σ = 1101100124. Its totient is φ = 1101100122.

The previous prime is 1101100073. The next prime is 1101100127. The reversal of 1101100123 is 3210011011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101100123 - 2⁹ = 1101099611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101100127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550550061 + 550550062.

It is an arithmetic number, because the mean of its divisors is an integer number (550550062).

Almost surely, 2^1101100123 is an apocalyptic number.

1101100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101100123 is an equidigital number, since it uses as much as digits as its factorization.

1101100123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1101100123 is about 33182.8287371646. The cubic root of 1101100123 is about 1032.6241326443.

Adding to 1101100123 its reverse (3210011011), we get a palindrome (4311111134).

The spelling of 1101100123 in words is "one billion, one hundred one million, one hundred thousand, one hundred twenty-three".