102120003203 has 4 divisors (see below), whose sum is σ = 102138633528. Its totient is φ = 102101372880.

The previous prime is 102120003143. The next prime is 102120003277. The reversal of 102120003203 is 302300021201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302300021201 = 107 ⋅2825233843.

It is a cyclic number.

It is not a de Polignac number, because 102120003203 - 2³² = 97825035907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120083203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9306938 + ... + 9317903.

It is an arithmetic number, because the mean of its divisors is an integer number (25534658382).

Almost surely, 2^102120003203 is an apocalyptic number.

102120003203 is a deficient number, since it is larger than the sum of its proper divisors (18630325).

102120003203 is an equidigital number, since it uses as much as digits as its factorization.

102120003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18630324.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102120003203 its reverse (302300021201), we get a palindrome (404420024404).

The spelling of 102120003203 in words is "one hundred two billion, one hundred twenty million, three thousand, two hundred three".