1021313332011 has 8 divisors (see below), whose sum is σ = 1556286982144. Its totient is φ = 583607618280.

The previous prime is 1021313332009. The next prime is 1021313332027. The reversal of 1021313332011 is 1102333131201.

It is a happy number.

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

It is not a de Polignac number, because 1021313332011 - 2¹ = 1021313332009 is a prime.

It is a super-2 number, since 2×1021313332011² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 48633968191 = 1021313332011 / (1 + 0 + 2 + 1 + 3 + 1 + 3 + 3 + 3 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021313332051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24316984075 + ... + 24316984116.

It is an arithmetic number, because the mean of its divisors is an integer number (194535872768).

Almost surely, 2^{1021313332011} is an apocalyptic number.

1021313332011 is a deficient number, since it is larger than the sum of its proper divisors (534973650133).

1021313332011 is an equidigital number, since it uses as much as digits as its factorization.

1021313332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48633968201.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1021313332011 its reverse (1102333131201), we get a palindrome (2123646463212).

The spelling of 1021313332011 in words is "one trillion, twenty-one billion, three hundred thirteen million, three hundred thirty-two thousand, eleven".