2021202010023 has 16 divisors (see below), whose sum is σ = 3079962608640. Its totient is φ = 1154959176096.

The previous prime is 2021202010019. The next prime is 2021202010031. The reversal of 2021202010023 is 3200102021202.

It is a happy number.

It is not a de Polignac number, because 2021202010023 - 2² = 2021202010019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021202009984 and 2021202010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021202010423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465138 + ... + 2487776.

It is an arithmetic number, because the mean of its divisors is an integer number (192497663040).

Almost surely, 2^{2021202010023} is an apocalyptic number.

2021202010023 is a deficient number, since it is larger than the sum of its proper divisors (1058760598617).

2021202010023 is a wasteful number, since it uses less digits than its factorization.

2021202010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116766.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2021202010023 its reverse (3200102021202), we get a palindrome (5221304031225).

The spelling of 2021202010023 in words is "two trillion, twenty-one billion, two hundred two million, ten thousand, twenty-three".