220221133011023 has 4 divisors (see below), whose sum is σ = 220221817230480. Its totient is φ = 220220448791568.

The previous prime is 220221133011013. The next prime is 220221133011137. The reversal of 220221133011023 is 320110331122022.

220221133011023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220221133011023 - 2²² = 220221128816719 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 220221133011023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221133011013) 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, 341626715 + ... + 342270732.

It is an arithmetic number, because the mean of its divisors is an integer number (55055454307620).

Almost surely, 2^{220221133011023} is an apocalyptic number.

220221133011023 is a deficient number, since it is larger than the sum of its proper divisors (684219457).

220221133011023 is an equidigital number, since it uses as much as digits as its factorization.

220221133011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684219456.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 220221133011023 its reverse (320110331122022), we get a palindrome (540331464133045).

The spelling of 220221133011023 in words is "two hundred twenty trillion, two hundred twenty-one billion, one hundred thirty-three million, eleven thousand, twenty-three".