221133300023 has 4 divisors (see below), whose sum is σ = 222747411840. Its totient is φ = 219519188208.

The previous prime is 221133300007. The next prime is 221133300083. The reversal of 221133300023 is 320003331122.

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 221133300023 - 2⁴ = 221133300007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221133299968 and 221133300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133300083) 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, 807055703 + ... + 807055976.

It is an arithmetic number, because the mean of its divisors is an integer number (55686852960).

Almost surely, 2^221133300023 is an apocalyptic number.

221133300023 is a deficient number, since it is larger than the sum of its proper divisors (1614111817).

221133300023 is a wasteful number, since it uses less digits than its factorization.

221133300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614111816.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 221133300023 its reverse (320003331122), we get a palindrome (541136631145).

The spelling of 221133300023 in words is "two hundred twenty-one billion, one hundred thirty-three million, three hundred thousand, twenty-three".