10201100123 has 2 divisors, whose sum is σ = 10201100124. Its totient is φ = 10201100122.

The previous prime is 10201100023. The next prime is 10201100137. The reversal of 10201100123 is 32100110201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10201100123 is a prime.

It is not a weakly prime, because it can be changed into another prime (10201100023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100550061 + 5100550062.

It is an arithmetic number, because the mean of its divisors is an integer number (5100550062).

Almost surely, 2^10201100123 is an apocalyptic number.

10201100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201100123 is an equidigital number, since it uses as much as digits as its factorization.

10201100123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10201100123 its reverse (32100110201), we get a palindrome (42301210324).

The spelling of 10201100123 in words is "ten billion, two hundred one million, one hundred thousand, one hundred twenty-three".