2021231201003 has 24 divisors (see below), whose sum is σ = 2355023970000. Its totient is φ = 1729689073728.

The previous prime is 2021231200999. The next prime is 2021231201029. The reversal of 2021231201003 is 3001021321202.

It is not a de Polignac number, because 2021231201003 - 2² = 2021231200999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021231201053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90428273 + ... + 90450621.

It is an arithmetic number, because the mean of its divisors is an integer number (98125998750).

Almost surely, 2^{2021231201003} is an apocalyptic number.

2021231201003 is a deficient number, since it is larger than the sum of its proper divisors (333792768997).

2021231201003 is a wasteful number, since it uses less digits than its factorization.

2021231201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25259 (or 25252 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2021231201003 its reverse (3001021321202), we get a palindrome (5022252522205).

The spelling of 2021231201003 in words is "two trillion, twenty-one billion, two hundred thirty-one million, two hundred one thousand, three".