10232220003221 has 4 divisors (see below), whose sum is σ = 10232411753772. Its totient is φ = 10232028252672.

The previous prime is 10232220003197. The next prime is 10232220003251. The reversal of 10232220003221 is 12230002223201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9287951092996 + 944268910225 = 3047614^2 + 971735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10232220003221 is a prime.

It is a super-2 number, since 2×10232220003221² (a number of 27 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 = 10232220003193 and 10232220003202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10232220003251) 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, 95795210 + ... + 95901963.

It is an arithmetic number, because the mean of its divisors is an integer number (2558102938443).

Almost surely, 2^{10232220003221} is an apocalyptic number.

It is an amenable number.

10232220003221 is a deficient number, since it is larger than the sum of its proper divisors (191750551).

10232220003221 is an equidigital number, since it uses as much as digits as its factorization.

10232220003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191750550.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10232220003221 its reverse (12230002223201), we get a palindrome (22462222226422).

The spelling of 10232220003221 in words is "ten trillion, two hundred thirty-two billion, two hundred twenty million, three thousand, two hundred twenty-one".