102100221203 has 2 divisors, whose sum is σ = 102100221204. Its totient is φ = 102100221202.

The previous prime is 102100221187. The next prime is 102100221227. The reversal of 102100221203 is 302122001201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102100221203 - 2⁴ = 102100221187 is a prime.

It is not a weakly prime, because it can be changed into another prime (102100221263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050110601 + 51050110602.

It is an arithmetic number, because the mean of its divisors is an integer number (51050110602).

Almost surely, 2^102100221203 is an apocalyptic number.

102100221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102100221203 is an equidigital number, since it uses as much as digits as its factorization.

102100221203 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 102100221203 its reverse (302122001201), we get a palindrome (404222222404).

The spelling of 102100221203 in words is "one hundred two billion, one hundred million, two hundred twenty-one thousand, two hundred three".