201021340003 has 8 divisors (see below), whose sum is σ = 228830616576. Its totient is φ = 174801165000.

The previous prime is 201021339979. The next prime is 201021340027. The reversal of 201021340003 is 300043120102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201021339979) and next prime (201021340027).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201021340003 - 2¹⁷ = 201021208931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201021340043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397275123 + ... + 397275628.

It is an arithmetic number, because the mean of its divisors is an integer number (28603827072).

Almost surely, 2^201021340003 is an apocalyptic number.

201021340003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201021340003 is a deficient number, since it is larger than the sum of its proper divisors (27809276573).

201021340003 is a wasteful number, since it uses less digits than its factorization.

201021340003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794550785.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201021340003 its reverse (300043120102), we get a palindrome (501064460105).

The spelling of 201021340003 in words is "two hundred one billion, twenty-one million, three hundred forty thousand, three".