1011000011123 has 2 divisors, whose sum is σ = 1011000011124. Its totient is φ = 1011000011122.

The previous prime is 1011000011093. The next prime is 1011000011159. The reversal of 1011000011123 is 3211100001101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011000011123 - 2¹⁶ = 1010999945587 is a prime.

It is a super-2 number, since 2×1011000011123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011000011173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505500005561 + 505500005562.

It is an arithmetic number, because the mean of its divisors is an integer number (505500005562).

Almost surely, 2^{1011000011123} is an apocalyptic number.

1011000011123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011000011123 is an equidigital number, since it uses as much as digits as its factorization.

1011000011123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1011000011123 its reverse (3211100001101), we get a palindrome (4222100012224).

The spelling of 1011000011123 in words is "one trillion, eleven billion, eleven thousand, one hundred twenty-three".