221232223012091 has 8 divisors (see below), whose sum is σ = 224033150577600. Its totient is φ = 218431308438720.

The previous prime is 221232223012049. The next prime is 221232223012093. The reversal of 221232223012091 is 190210322232122.

It is a happy number.

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 221232223012091 - 2¹⁸ = 221232222749947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221232223012093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33662345 + ... + 39694053.

It is an arithmetic number, because the mean of its divisors is an integer number (28004143822200).

Almost surely, 2^{221232223012091} is an apocalyptic number.

221232223012091 is a deficient number, since it is larger than the sum of its proper divisors (2800927565509).

221232223012091 is an equidigital number, since it uses as much as digits as its factorization.

221232223012091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496069.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 221232223012091 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, two hundred twenty-three million, twelve thousand, ninety-one".