11002001331 has 8 divisors (see below), whose sum is σ = 14870285200. Its totient is φ = 7234192512.

The previous prime is 11002001327. The next prime is 11002001347. The reversal of 11002001331 is 13310020011.

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

It is not a de Polignac number, because 11002001331 - 2² = 11002001327 is a prime.

It is a super-2 number, since 2×11002001331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002001321) 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, 25118506 + ... + 25118943.

It is an arithmetic number, because the mean of its divisors is an integer number (1858785650).

Almost surely, 2^11002001331 is an apocalyptic number.

11002001331 is a deficient number, since it is larger than the sum of its proper divisors (3868283869).

11002001331 is an equidigital number, since it uses as much as digits as its factorization.

11002001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50237525.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11002001331 its reverse (13310020011), we get a palindrome (24312021342).

The spelling of 11002001331 in words is "eleven billion, two million, one thousand, three hundred thirty-one".