101200203003 has 4 divisors (see below), whose sum is σ = 134933604008. Its totient is φ = 67466802000.

The previous prime is 101200202927. The next prime is 101200203007. The reversal of 101200203003 is 300302002101.

It is a happy number.

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

It is not a de Polignac number, because 101200203003 - 2¹⁰ = 101200201979 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 101200203003.

It is not an unprimeable number, because it can be changed into a prime (101200203007) 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, 16866700498 + ... + 16866700503.

It is an arithmetic number, because the mean of its divisors is an integer number (33733401002).

Almost surely, 2^101200203003 is an apocalyptic number.

101200203003 is a deficient number, since it is larger than the sum of its proper divisors (33733401005).

101200203003 is an equidigital number, since it uses as much as digits as its factorization.

101200203003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33733401004.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 101200203003 its reverse (300302002101), we get a palindrome (401502205104).

The spelling of 101200203003 in words is "one hundred one billion, two hundred million, two hundred three thousand, three".