221043023026 has 8 divisors (see below), whose sum is σ = 378930896640. Its totient is φ = 94732724148.

The previous prime is 221043022987. The next prime is 221043023027. The reversal of 221043023026 is 620320340122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (221043023027) 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, 7894393666 + ... + 7894393693.

It is an arithmetic number, because the mean of its divisors is an integer number (47366362080).

Almost surely, 2^221043023026 is an apocalyptic number.

221043023026 is a deficient number, since it is larger than the sum of its proper divisors (157887873614).

221043023026 is a wasteful number, since it uses less digits than its factorization.

221043023026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15788787368.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 221043023026 its reverse (620320340122), we get a palindrome (841363363148).

The spelling of 221043023026 in words is "two hundred twenty-one billion, forty-three million, twenty-three thousand, twenty-six".