10000342021261 has 2 divisors, whose sum is σ = 10000342021262. Its totient is φ = 10000342021260.

The previous prime is 10000342021211. The next prime is 10000342021277. The reversal of 10000342021261 is 16212024300001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9993880916100 + 6461105161 = 3161310^2 + 80381^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000342021261 - 2⁷ = 10000342021133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000342021211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000171010630 + 5000171010631.

It is an arithmetic number, because the mean of its divisors is an integer number (5000171010631).

Almost surely, 2^{10000342021261} is an apocalyptic number.

It is an amenable number.

10000342021261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000342021261 is an equidigital number, since it uses as much as digits as its factorization.

10000342021261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10000342021261 its reverse (16212024300001), we get a palindrome (26212366321262).

The spelling of 10000342021261 in words is "ten trillion, three hundred forty-two million, twenty-one thousand, two hundred sixty-one".