2221010221023 has 24 divisors (see below), whose sum is σ = 3499878260736. Its totient is φ = 1346026578000.

The previous prime is 2221010221021. The next prime is 2221010221033. The reversal of 2221010221023 is 3201220101222.

It is not a de Polignac number, because 2221010221023 - 2¹ = 2221010221021 is a prime.

It is a super-2 number, since 2×2221010221023² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221010220987 and 2221010221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221010221021) 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 23 ways as a sum of consecutive naturals, for example, 3179848 + ... + 3814898.

It is an arithmetic number, because the mean of its divisors is an integer number (145828260864).

Almost surely, 2^{2221010221023} is an apocalyptic number.

2221010221023 is a deficient number, since it is larger than the sum of its proper divisors (1278868039713).

2221010221023 is a wasteful number, since it uses less digits than its factorization.

2221010221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670395 (or 670392 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2221010221023 its reverse (3201220101222), we get a palindrome (5422230322245).

The spelling of 2221010221023 in words is "two trillion, two hundred twenty-one billion, ten million, two hundred twenty-one thousand, twenty-three".