1021343331011 has 8 divisors (see below), whose sum is σ = 1040886507024. Its totient is φ = 1001810249440.

The previous prime is 1021343330993. The next prime is 1021343331013. The reversal of 1021343331011 is 1101333431201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021343331011 - 2⁶ = 1021343330947 is a prime.

It is a super-2 number, since 2×1021343331011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021343331013) 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 in 7 ways as a sum of consecutive naturals, for example, 2319161 + ... + 2724186.

It is an arithmetic number, because the mean of its divisors is an integer number (130110813378).

Almost surely, 2^{1021343331011} is an apocalyptic number.

1021343331011 is a deficient number, since it is larger than the sum of its proper divisors (19543176013).

1021343331011 is an equidigital number, since it uses as much as digits as its factorization.

1021343331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047221.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1021343331011 its reverse (1101333431201), we get a palindrome (2122676762212).

The spelling of 1021343331011 in words is "one trillion, twenty-one billion, three hundred forty-three million, three hundred thirty-one thousand, eleven".