102100010203 has 4 divisors (see below), whose sum is σ = 105620700240. Its totient is φ = 98579320168.

The previous prime is 102100010197. The next prime is 102100010209. The reversal of 102100010203 is 302010001201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102100010197) and next prime (102100010209).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102100010203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102100010203.

It is not an unprimeable number, because it can be changed into a prime (102100010209) 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 in 3 ways as a sum of consecutive naturals, for example, 1760344975 + ... + 1760345032.

It is an arithmetic number, because the mean of its divisors is an integer number (26405175060).

Almost surely, 2^102100010203 is an apocalyptic number.

102100010203 is a deficient number, since it is larger than the sum of its proper divisors (3520690037).

102100010203 is an equidigital number, since it uses as much as digits as its factorization.

102100010203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520690036.

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

Adding to 102100010203 its reverse (302010001201), we get a palindrome (404110011404).

The spelling of 102100010203 in words is "one hundred two billion, one hundred million, ten thousand, two hundred three".