101040240203 has 4 divisors (see below), whose sum is σ = 115474560240. Its totient is φ = 86605920168.

The previous prime is 101040240199. The next prime is 101040240209. The reversal of 101040240203 is 302042040101.

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

It is a cyclic number.

It is not a de Polignac number, because 101040240203 - 2² = 101040240199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101040240209) 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, 7217160008 + ... + 7217160021.

It is an arithmetic number, because the mean of its divisors is an integer number (28868640060).

Almost surely, 2^101040240203 is an apocalyptic number.

101040240203 is a deficient number, since it is larger than the sum of its proper divisors (14434320037).

101040240203 is an equidigital number, since it uses as much as digits as its factorization.

101040240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14434320036.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 101040240203 its reverse (302042040101), we get a palindrome (403082280304).

The spelling of 101040240203 in words is "one hundred one billion, forty million, two hundred forty thousand, two hundred three".