10112132313221 has 4 divisors (see below), whose sum is σ = 10113683022444. Its totient is φ = 10110581604000.

The previous prime is 10112132313149. The next prime is 10112132313233. The reversal of 10112132313221 is 12231323121101.

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 6821133592900 + 3290998720321 = 2611730^2 + 1814111^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112132313221 - 2²⁶ = 10112065204357 is a prime.

It is a super-3 number, since 3×10112132313221³ (a number of 40 digits) contains 333 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 (10112132313251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775344830 + ... + 775357871.

It is an arithmetic number, because the mean of its divisors is an integer number (2528420755611).

Almost surely, 2^{10112132313221} is an apocalyptic number.

It is an amenable number.

10112132313221 is a deficient number, since it is larger than the sum of its proper divisors (1550709223).

10112132313221 is an equidigital number, since it uses as much as digits as its factorization.

10112132313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550709222.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10112132313221 its reverse (12231323121101), we get a palindrome (22343455434322).

The spelling of 10112132313221 in words is "ten trillion, one hundred twelve billion, one hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-one".