3311311103021 has 4 divisors (see below), whose sum is σ = 3311405057532. Its totient is φ = 3311217148512.

The previous prime is 3311311103017. The next prime is 3311311103033. The reversal of 3311311103021 is 1203011131133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239721868996 + 3071589234025 = 489614^2 + 1752595^2 .

It is a cyclic number.

It is not a de Polignac number, because 3311311103021 - 2² = 3311311103017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3311311102984 and 3311311103002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311311133021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46924370 + ... + 46994883.

It is an arithmetic number, because the mean of its divisors is an integer number (827851264383).

Almost surely, 2^{3311311103021} is an apocalyptic number.

It is an amenable number.

3311311103021 is a deficient number, since it is larger than the sum of its proper divisors (93954511).

3311311103021 is an equidigital number, since it uses as much as digits as its factorization.

3311311103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93954510.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 3311311103021 its reverse (1203011131133), we get a palindrome (4514322234154).

The spelling of 3311311103021 in words is "three trillion, three hundred eleven billion, three hundred eleven million, one hundred three thousand, twenty-one".