2021201001203 has 4 divisors (see below), whose sum is σ = 2021866529760. Its totient is φ = 2020535472648.

The previous prime is 2021201001167. The next prime is 2021201001257. The reversal of 2021201001203 is 3021001021202.

It is a happy number.

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 2021201001203 - 2²⁸ = 2020932565747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021201001263) 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, 332759723 + ... + 332765796.

It is an arithmetic number, because the mean of its divisors is an integer number (505466632440).

Almost surely, 2^{2021201001203} is an apocalyptic number.

2021201001203 is a deficient number, since it is larger than the sum of its proper divisors (665528557).

2021201001203 is an equidigital number, since it uses as much as digits as its factorization.

2021201001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665528556.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021201001203 its reverse (3021001021202), we get a palindrome (5042202022405).

The spelling of 2021201001203 in words is "two trillion, twenty-one billion, two hundred one million, one thousand, two hundred three".