11002111212 has 48 divisors (see below), whose sum is σ = 26168873472. Its totient is φ = 3596399040.

The previous prime is 11002111207. The next prime is 11002111213. The reversal of 11002111212 is 21211120011.

It is a super-2 number, since 2×11002111212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11002111213) 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 15 ways as a sum of consecutive naturals, for example, 2100637 + ... + 2105867.

It is an arithmetic number, because the mean of its divisors is an integer number (545184864).

Almost surely, 2^11002111212 is an apocalyptic number.

11002111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11002111212 is an abundant number, since it is smaller than the sum of its proper divisors (15166762260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11002111212 is a wasteful number, since it uses less digits than its factorization.

11002111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8598 (or 8596 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11002111212 its reverse (21211120011), we get a palindrome (32213231223).

The spelling of 11002111212 in words is "eleven billion, two million, one hundred eleven thousand, two hundred twelve".