2021012110203 has 8 divisors (see below), whose sum is σ = 2694802832400. Its totient is φ = 1347281397408.

The previous prime is 2021012110171. The next prime is 2021012110211. The reversal of 2021012110203 is 3020112101202.

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

It is not a de Polignac number, because 2021012110203 - 2⁵ = 2021012110171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021012110223) 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, 14923708 + ... + 15058521.

It is an arithmetic number, because the mean of its divisors is an integer number (336850354050).

Almost surely, 2^{2021012110203} is an apocalyptic number.

2021012110203 is a deficient number, since it is larger than the sum of its proper divisors (673790722197).

2021012110203 is a wasteful number, since it uses less digits than its factorization.

2021012110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30004701.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2021012110203 its reverse (3020112101202), we get a palindrome (5041124211405).

Subtracting 2021012110203 from its reverse (3020112101202), we obtain a palindrome (999099990999).

The spelling of 2021012110203 in words is "two trillion, twenty-one billion, twelve million, one hundred ten thousand, two hundred three".