1001100213331 has 6 divisors (see below), whose sum is σ = 1063452476060. Its totient is φ = 942211965216.

The previous prime is 1001100213301. The next prime is 1001100213349. The reversal of 1001100213331 is 1333120011001.

It is not a de Polignac number, because 1001100213331 - 2²³ = 1001091824723 is a prime.

It is a super-2 number, since 2×1001100213331² (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 (1001100213301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1732007001 + ... + 1732007578.

Almost surely, 2^{1001100213331} is an apocalyptic number.

1001100213331 is a deficient number, since it is larger than the sum of its proper divisors (62352262729).

1001100213331 is an equidigital number, since it uses as much as digits as its factorization.

1001100213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464014613 (or 3464014596 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1001100213331 its reverse (1333120011001), we get a palindrome (2334220224332).

The spelling of 1001100213331 in words is "one trillion, one billion, one hundred million, two hundred thirteen thousand, three hundred thirty-one".