101311212361 has 2 divisors, whose sum is σ = 101311212362. Its totient is φ = 101311212360.

The previous prime is 101311212281. The next prime is 101311212397. The reversal of 101311212361 is 163212113101.

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., 100210233600 + 1100978761 = 316560^2 + 33181^2 .

It is a cyclic number.

It is not a de Polignac number, because 101311212361 - 2⁹ = 101311211849 is a prime.

It is not a weakly prime, because it can be changed into another prime (101311212661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50655606180 + 50655606181.

It is an arithmetic number, because the mean of its divisors is an integer number (50655606181).

Almost surely, 2^101311212361 is an apocalyptic number.

It is an amenable number.

101311212361 is a deficient number, since it is larger than the sum of its proper divisors (1).

101311212361 is an equidigital number, since it uses as much as digits as its factorization.

101311212361 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 101311212361 its reverse (163212113101), we get a palindrome (264523325462).

The spelling of 101311212361 in words is "one hundred one billion, three hundred eleven million, two hundred twelve thousand, three hundred sixty-one".