221011033202231 has 8 divisors (see below), whose sum is σ = 223674300433584. Its totient is φ = 218347777487680.

The previous prime is 221011033202173. The next prime is 221011033202243. The reversal of 221011033202231 is 132202330110122.

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

It is a cyclic number.

It is not a de Polignac number, because 221011033202231 - 2¹⁰ = 221011033201207 is a prime.

It is a super-2 number, since 2×221011033202231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221011033202197 and 221011033202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011033202251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39461771 + ... + 44713011.

It is an arithmetic number, because the mean of its divisors is an integer number (27959287554198).

Almost surely, 2^{221011033202231} is an apocalyptic number.

221011033202231 is a deficient number, since it is larger than the sum of its proper divisors (2663267231353).

221011033202231 is an equidigital number, since it uses as much as digits as its factorization.

221011033202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758401.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221011033202231 its reverse (132202330110122), we get a palindrome (353213363312353).

The spelling of 221011033202231 in words is "two hundred twenty-one trillion, eleven billion, thirty-three million, two hundred two thousand, two hundred thirty-one".