10331012011261 has 2 divisors, whose sum is σ = 10331012011262. Its totient is φ = 10331012011260.

The previous prime is 10331012011217. The next prime is 10331012011289. The reversal of 10331012011261 is 16211021013301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9334668662361 + 996343348900 = 3055269^2 + 998170^2 .

It is a cyclic number.

It is not a de Polignac number, because 10331012011261 - 2¹⁵ = 10331011978493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10331012014261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5165506005630 + 5165506005631.

It is an arithmetic number, because the mean of its divisors is an integer number (5165506005631).

Almost surely, 2^{10331012011261} is an apocalyptic number.

It is an amenable number.

10331012011261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10331012011261 is an equidigital number, since it uses as much as digits as its factorization.

10331012011261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 10331012011261 its reverse (16211021013301), we get a palindrome (26542033024562).

The spelling of 10331012011261 in words is "ten trillion, three hundred thirty-one billion, twelve million, eleven thousand, two hundred sixty-one".