10231340412221 has 16 divisors (see below), whose sum is σ = 10433444564400. Its totient is φ = 10031319936000.

The previous prime is 10231340412173. The next prime is 10231340412259. The reversal of 10231340412221 is 12221404313201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1215649579225 + 9015690832996 = 1102565^2 + 3002614^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231340412221 - 2¹⁸ = 10231340150077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231340412721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18899765 + ... + 19433573.

It is an arithmetic number, because the mean of its divisors is an integer number (652090285275).

Almost surely, 2^{10231340412221} is an apocalyptic number.

It is an amenable number.

10231340412221 is a deficient number, since it is larger than the sum of its proper divisors (202104152179).

10231340412221 is a wasteful number, since it uses less digits than its factorization.

10231340412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535760.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 10231340412221 its reverse (12221404313201), we get a palindrome (22452744725422).

The spelling of 10231340412221 in words is "ten trillion, two hundred thirty-one billion, three hundred forty million, four hundred twelve thousand, two hundred twenty-one".