11002211331 has 16 divisors (see below), whose sum is σ = 15075097344. Its totient is φ = 7132303584.

The previous prime is 11002211293. The next prime is 11002211357. The reversal of 11002211331 is 13311220011.

It is a happy number.

It is not a de Polignac number, because 11002211331 - 2¹⁸ = 11001949187 is a prime.

It is a super-2 number, since 2×11002211331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11002211331.

It is not an unprimeable number, because it can be changed into a prime (11002211431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162490 + ... + 220016.

It is an arithmetic number, because the mean of its divisors is an integer number (942193584).

Almost surely, 2^11002211331 is an apocalyptic number.

11002211331 is a deficient number, since it is larger than the sum of its proper divisors (4072886013).

11002211331 is a wasteful number, since it uses less digits than its factorization.

11002211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59290.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11002211331 its reverse (13311220011), we get a palindrome (24313431342).

The spelling of 11002211331 in words is "eleven billion, two million, two hundred eleven thousand, three hundred thirty-one".