10011213133261 has 2 divisors, whose sum is σ = 10011213133262. Its totient is φ = 10011213133260.

The previous prime is 10011213133231. The next prime is 10011213133301. The reversal of 10011213133261 is 16233131211001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8946116892036 + 1065096241225 = 2991006^2 + 1032035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011213133261 - 2³³ = 10002623198669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011213133231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005606566630 + 5005606566631.

It is an arithmetic number, because the mean of its divisors is an integer number (5005606566631).

Almost surely, 2^{10011213133261} is an apocalyptic number.

It is an amenable number.

10011213133261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011213133261 is an equidigital number, since it uses as much as digits as its factorization.

10011213133261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 10011213133261 its reverse (16233131211001), we get a palindrome (26244344344262).

The spelling of 10011213133261 in words is "ten trillion, eleven billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred sixty-one".