221000333020231 has 16 divisors (see below), whose sum is σ = 232814904588000. Its totient is φ = 209204076751488.

The previous prime is 221000333020219. The next prime is 221000333020253. The reversal of 221000333020231 is 132020333000122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221000333020231 is a prime.

It is a super-2 number, since 2×221000333020231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000333020331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465076345 + ... + 465551293.

It is an arithmetic number, because the mean of its divisors is an integer number (14550931536750).

Almost surely, 2^{221000333020231} is an apocalyptic number.

221000333020231 is a deficient number, since it is larger than the sum of its proper divisors (11814571567769).

221000333020231 is a wasteful number, since it uses less digits than its factorization.

221000333020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494178.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221000333020231 its reverse (132020333000122), we get a palindrome (353020666020353).

The spelling of 221000333020231 in words is "two hundred twenty-one trillion, three hundred thirty-three million, twenty thousand, two hundred thirty-one".