10112000021261 has 2 divisors, whose sum is σ = 10112000021262. Its totient is φ = 10112000021260.

The previous prime is 10112000021183. The next prime is 10112000021293. The reversal of 10112000021261 is 16212000021101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7980455500900 + 2131544520361 = 2824970^2 + 1459981^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112000021261 - 2³⁰ = 10110926279437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10112000521261) 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 as a sum of consecutive naturals, namely, 5056000010630 + 5056000010631.

It is an arithmetic number, because the mean of its divisors is an integer number (5056000010631).

Almost surely, 2^{10112000021261} is an apocalyptic number.

It is an amenable number.

10112000021261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112000021261 is an equidigital number, since it uses as much as digits as its factorization.

10112000021261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10112000021261 its reverse (16212000021101), we get a palindrome (26324000042362).

The spelling of 10112000021261 in words is "ten trillion, one hundred twelve billion, twenty-one thousand, two hundred sixty-one".