101100002123 has 2 divisors, whose sum is σ = 101100002124. Its totient is φ = 101100002122.

The previous prime is 101100002119. The next prime is 101100002137. The reversal of 101100002123 is 321200001101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101100002123 - 2² = 101100002119 is a prime.

It is not a weakly prime, because it can be changed into another prime (101100002023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550001061 + 50550001062.

It is an arithmetic number, because the mean of its divisors is an integer number (50550001062).

Almost surely, 2^101100002123 is an apocalyptic number.

101100002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

101100002123 is an equidigital number, since it uses as much as digits as its factorization.

101100002123 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 101100002123 its reverse (321200001101), we get a palindrome (422300003224).

The spelling of 101100002123 in words is "one hundred one billion, one hundred million, two thousand, one hundred twenty-three".