2211002120 has 32 divisors (see below), whose sum is σ = 5023062720. Its totient is φ = 875812800.

The previous prime is 2211002071. The next prime is 2211002141. The reversal of 2211002120 is 212001122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264206 + ... + 272445.

It is an arithmetic number, because the mean of its divisors is an integer number (156970710).

Almost surely, 2^2211002120 is an apocalyptic number.

2211002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211002120 is an abundant number, since it is smaller than the sum of its proper divisors (2812060600).

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

2211002120 is a wasteful number, since it uses less digits than its factorization.

2211002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536765 (or 536761 counting only the distinct ones).

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

The square root of 2211002120 is about 47021.2943250183. The cubic root of 2211002120 is about 1302.7559128897.

Adding to 2211002120 its reverse (212001122), we get a palindrome (2423003242).

It can be divided in two parts, 2211002 and 120, that added together give a palindrome (2211122).

The spelling of 2211002120 in words is "two billion, two hundred eleven million, two thousand, one hundred twenty".