2021230220223 has 16 divisors (see below), whose sum is σ = 2745147407456. Its totient is φ = 1322496599040.

The previous prime is 2021230220189. The next prime is 2021230220231. The reversal of 2021230220223 is 3220220321202.

It is not a de Polignac number, because 2021230220223 - 2¹⁶ = 2021230154687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021230220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021230220263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12000586 + ... + 12167847.

It is an arithmetic number, because the mean of its divisors is an integer number (171571712966).

Almost surely, 2^{2021230220223} is an apocalyptic number.

2021230220223 is a deficient number, since it is larger than the sum of its proper divisors (723917187233).

2021230220223 is a wasteful number, since it uses less digits than its factorization.

2021230220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24168954.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2021230220223 its reverse (3220220321202), we get a palindrome (5241450541425).

The spelling of 2021230220223 in words is "two trillion, twenty-one billion, two hundred thirty million, two hundred twenty thousand, two hundred twenty-three".