10000111123 has 2 divisors, whose sum is σ = 10000111124. Its totient is φ = 10000111122.

The previous prime is 10000111081. The next prime is 10000111129. The reversal of 10000111123 is 32111100001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10000111123 - 2⁹ = 10000110611 is a prime.

It is a super-2 number, since 2×10000111123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10000111129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000055561 + 5000055562.

It is an arithmetic number, because the mean of its divisors is an integer number (5000055562).

Almost surely, 2^10000111123 is an apocalyptic number.

10000111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000111123 is an equidigital number, since it uses as much as digits as its factorization.

10000111123 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.

Adding to 10000111123 its reverse (32111100001), we get a palindrome (42111211124).

The spelling of 10000111123 in words is "ten billion, one hundred eleven thousand, one hundred twenty-three".