1021101301393 has 2 divisors, whose sum is σ = 1021101301394. Its totient is φ = 1021101301392.

The previous prime is 1021101301379. The next prime is 1021101301483. The reversal of 1021101301393 is 3931031011201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819399712849 + 201701588544 = 905207^2 + 449112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021101301393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021101301343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510550650696 + 510550650697.

It is an arithmetic number, because the mean of its divisors is an integer number (510550650697).

Almost surely, 2^{1021101301393} is an apocalyptic number.

It is an amenable number.

1021101301393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021101301393 is an equidigital number, since it uses as much as digits as its factorization.

1021101301393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 1021101301393 its reverse (3931031011201), we get a palindrome (4952132312594).

The spelling of 1021101301393 in words is "one trillion, twenty-one billion, one hundred one million, three hundred one thousand, three hundred ninety-three".