11002202120 has 256 divisors, whose sum is σ = 33377702400. Its totient is φ = 3163668480.

The previous prime is 11002202063. The next prime is 11002202153. The reversal of 11002202120 is 2120220011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1791455 + ... + 1797585.

It is an arithmetic number, because the mean of its divisors is an integer number (130381650).

Almost surely, 2^11002202120 is an apocalyptic number.

11002202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11002202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16688851200).

11002202120 is an abundant number, since it is smaller than the sum of its proper divisors (22375500280).

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

11002202120 is a wasteful number, since it uses less digits than its factorization.

11002202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208 (or 6204 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11002202120 its reverse (2120220011), we get a palindrome (13122422131).

The spelling of 11002202120 in words is "eleven billion, two million, two hundred two thousand, one hundred twenty".