221011230212023 has 4 divisors (see below), whose sum is σ = 221022329073408. Its totient is φ = 221000131350640.

The previous prime is 221011230212011. The next prime is 221011230212077. The reversal of 221011230212023 is 320212032110122.

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 221011230212023 - 2¹³ = 221011230203831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221011230211985 and 221011230212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011230212083) 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, 5549400823 + ... + 5549440648.

It is an arithmetic number, because the mean of its divisors is an integer number (55255582268352).

Almost surely, 2^{221011230212023} is an apocalyptic number.

221011230212023 is a deficient number, since it is larger than the sum of its proper divisors (11098861385).

221011230212023 is a wasteful number, since it uses less digits than its factorization.

221011230212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11098861384.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221011230212023 its reverse (320212032110122), we get a palindrome (541223262322145).

The spelling of 221011230212023 in words is "two hundred twenty-one trillion, eleven billion, two hundred thirty million, two hundred twelve thousand, twenty-three".