10001122123 has 2 divisors, whose sum is σ = 10001122124. Its totient is φ = 10001122122.

The previous prime is 10001122099. The next prime is 10001122127. The reversal of 10001122123 is 32122110001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001122123 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001122127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000561061 + 5000561062.

It is an arithmetic number, because the mean of its divisors is an integer number (5000561062).

Almost surely, 2^10001122123 is an apocalyptic number.

10001122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001122123 is an equidigital number, since it uses as much as digits as its factorization.

10001122123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10001122123 its reverse (32122110001), we get a palindrome (42123232124).

The spelling of 10001122123 in words is "ten billion, one million, one hundred twenty-two thousand, one hundred twenty-three".