11231210032221 has 8 divisors (see below), whose sum is σ = 15002626835104. Its totient is φ = 7473633292080.

The previous prime is 11231210032193. The next prime is 11231210032223. The reversal of 11231210032221 is 12223001213211.

11231210032221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11231210032221 - 2¹³ = 11231210024029 is a prime.

It is a super-2 number, since 2×11231210032221² (a number of 27 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 (11231210032223) 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, 3460013791 + ... + 3460017036.

It is an arithmetic number, because the mean of its divisors is an integer number (1875328354388).

Almost surely, 2^{11231210032221} is an apocalyptic number.

It is an amenable number.

11231210032221 is a deficient number, since it is larger than the sum of its proper divisors (3771416802883).

11231210032221 is an equidigital number, since it uses as much as digits as its factorization.

11231210032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920031371.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11231210032221 its reverse (12223001213211), we get a palindrome (23454211245432).

The spelling of 11231210032221 in words is "eleven trillion, two hundred thirty-one billion, two hundred ten million, thirty-two thousand, two hundred twenty-one".