102202100123 has 2 divisors, whose sum is σ = 102202100124. Its totient is φ = 102202100122.

The previous prime is 102202100111. The next prime is 102202100141. The reversal of 102202100123 is 321001202201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102202100123 - 2⁶ = 102202100059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102202100098 and 102202100107.

It is not a weakly prime, because it can be changed into another prime (102202100183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101050061 + 51101050062.

It is an arithmetic number, because the mean of its divisors is an integer number (51101050062).

Almost surely, 2^102202100123 is an apocalyptic number.

102202100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202100123 is an equidigital number, since it uses as much as digits as its factorization.

102202100123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102202100123 its reverse (321001202201), we get a palindrome (423203302324).

The spelling of 102202100123 in words is "one hundred two billion, two hundred two million, one hundred thousand, one hundred twenty-three".