102001010203 has 2 divisors, whose sum is σ = 102001010204. Its totient is φ = 102001010202.

The previous prime is 102001010149. The next prime is 102001010227. The reversal of 102001010203 is 302010100201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102001010203 - 2¹⁷ = 102000879131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102001010203.

It is not a weakly prime, because it can be changed into another prime (102001040203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000505101 + 51000505102.

It is an arithmetic number, because the mean of its divisors is an integer number (51000505102).

Almost surely, 2^102001010203 is an apocalyptic number.

102001010203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001010203 is an equidigital number, since it uses as much as digits as its factorization.

102001010203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 102001010203 its reverse (302010100201), we get a palindrome (404011110404).

The spelling of 102001010203 in words is "one hundred two billion, one million, ten thousand, two hundred three".