102130021203 has 48 divisors (see below), whose sum is σ = 164012037120. Its totient is φ = 56305972800.

The previous prime is 102130021193. The next prime is 102130021243. The reversal of 102130021203 is 302120031201.

It is a de Polignac number, because none of the positive numbers 2^k-102130021203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102130021243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1474513 + ... + 1542221.

It is an arithmetic number, because the mean of its divisors is an integer number (3416917440).

Almost surely, 2^102130021203 is an apocalyptic number.

102130021203 is a deficient number, since it is larger than the sum of its proper divisors (61882015917).

102130021203 is a wasteful number, since it uses less digits than its factorization.

102130021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68088 (or 68081 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102130021203 its reverse (302120031201), we get a palindrome (404250052404).

The spelling of 102130021203 in words is "one hundred two billion, one hundred thirty million, twenty-one thousand, two hundred three".