2221001100331 has 8 divisors (see below), whose sum is σ = 2474324833680. Its totient is φ = 1979459866272.

The previous prime is 2221001100323. The next prime is 2221001100377. The reversal of 2221001100331 is 1330011001222.

2221001100331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2221001100331 - 2³ = 2221001100323 is a prime.

It is a super-2 number, since 2×2221001100331² (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 (2221001100301) 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, 2945624425 + ... + 2945625178.

It is an arithmetic number, because the mean of its divisors is an integer number (309290604210).

Almost surely, 2^{2221001100331} is an apocalyptic number.

2221001100331 is a deficient number, since it is larger than the sum of its proper divisors (253323733349).

2221001100331 is a wasteful number, since it uses less digits than its factorization.

2221001100331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891249645.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2221001100331 its reverse (1330011001222), we get a palindrome (3551012101553).

The spelling of 2221001100331 in words is "two trillion, two hundred twenty-one billion, one million, one hundred thousand, three hundred thirty-one".