1021135243351 has 2 divisors, whose sum is σ = 1021135243352. Its totient is φ = 1021135243350.

The previous prime is 1021135243321. The next prime is 1021135243367. The reversal of 1021135243351 is 1533425311201.

1021135243351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021135243351 - 2⁷ = 1021135243223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021135243321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510567621675 + 510567621676.

It is an arithmetic number, because the mean of its divisors is an integer number (510567621676).

Almost surely, 2^{1021135243351} is an apocalyptic number.

1021135243351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021135243351 is an equidigital number, since it uses as much as digits as its factorization.

1021135243351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 1021135243351 in words is "one trillion, twenty-one billion, one hundred thirty-five million, two hundred forty-three thousand, three hundred fifty-one".