10231332231221 has 8 divisors (see below), whose sum is σ = 10332730870488. Its totient is φ = 10129935520000.

The previous prime is 10231332231103. The next prime is 10231332231233. The reversal of 10231332231221 is 12213223313201.

It can be written as a sum of positive squares in 4 ways, for example, as 4831779121 + 10226500452100 = 69511^2 + 3197890^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10231332231221 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 (10231332231251) 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, 11702201 + ... + 12546081.

It is an arithmetic number, because the mean of its divisors is an integer number (1291591358811).

Almost surely, 2^{10231332231221} is an apocalyptic number.

It is an amenable number.

10231332231221 is a deficient number, since it is larger than the sum of its proper divisors (101398639267).

10231332231221 is a wasteful number, since it uses less digits than its factorization.

10231332231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964023.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 10231332231221 its reverse (12213223313201), we get a palindrome (22444555544422).

The spelling of 10231332231221 in words is "ten trillion, two hundred thirty-one billion, three hundred thirty-two million, two hundred thirty-one thousand, two hundred twenty-one".