10131041340221 has 4 divisors (see below), whose sum is σ = 10131209642652. Its totient is φ = 10130873037792.

The previous prime is 10131041340197. The next prime is 10131041340263. The reversal of 10131041340221 is 12204314013101.

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 1638835228900 + 8492206111321 = 1280170^2 + 2914139^2 .

It is a cyclic number.

It is not a de Polignac number, because 10131041340221 - 2⁴² = 5732994829117 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 (10131041340821) 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, 84060890 + ... + 84181323.

It is an arithmetic number, because the mean of its divisors is an integer number (2532802410663).

Almost surely, 2^{10131041340221} is an apocalyptic number.

It is an amenable number.

10131041340221 is a deficient number, since it is larger than the sum of its proper divisors (168302431).

10131041340221 is an equidigital number, since it uses as much as digits as its factorization.

10131041340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168302430.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10131041340221 its reverse (12204314013101), we get a palindrome (22335355353322).

The spelling of 10131041340221 in words is "ten trillion, one hundred thirty-one billion, forty-one million, three hundred forty thousand, two hundred twenty-one".