1011302313421 has 2 divisors, whose sum is σ = 1011302313422. Its totient is φ = 1011302313420.

The previous prime is 1011302313397. The next prime is 1011302313457. The reversal of 1011302313421 is 1243132031101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861343623396 + 149958690025 = 928086^2 + 387245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011302313421 - 2⁷ = 1011302313293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011302313392 and 1011302313401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011302313481) 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, 505651156710 + 505651156711.

It is an arithmetic number, because the mean of its divisors is an integer number (505651156711).

Almost surely, 2^{1011302313421} is an apocalyptic number.

It is an amenable number.

1011302313421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011302313421 is an equidigital number, since it uses as much as digits as its factorization.

1011302313421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1011302313421 its reverse (1243132031101), we get a palindrome (2254434344522).

The spelling of 1011302313421 in words is "one trillion, eleven billion, three hundred two million, three hundred thirteen thousand, four hundred twenty-one".