2221301111023 has 4 divisors (see below), whose sum is σ = 2221305847128. Its totient is φ = 2221296374920.

The previous prime is 2221301111017. The next prime is 2221301111053. The reversal of 2221301111023 is 3201111031222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221301111023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221301111053) 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 3 ways as a sum of consecutive naturals, for example, 1576288 + ... + 2631973.

It is an arithmetic number, because the mean of its divisors is an integer number (555326461782).

Almost surely, 2^{2221301111023} is an apocalyptic number.

2221301111023 is a deficient number, since it is larger than the sum of its proper divisors (4736105).

2221301111023 is an equidigital number, since it uses as much as digits as its factorization.

2221301111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736104.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2221301111023 its reverse (3201111031222), we get a palindrome (5422412142245).

The spelling of 2221301111023 in words is "two trillion, two hundred twenty-one billion, three hundred one million, one hundred eleven thousand, twenty-three".