2111332220 has 24 divisors (see below), whose sum is σ = 4435872000. Its totient is φ = 844137792.

The previous prime is 2111332199. The next prime is 2111332243. The reversal of 2111332220 is 222331112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21206 + ... + 68354.

It is an arithmetic number, because the mean of its divisors is an integer number (184828000).

Almost surely, 2^2111332220 is an apocalyptic number.

2111332220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111332220 is an abundant number, since it is smaller than the sum of its proper divisors (2324539780).

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

2111332220 is a wasteful number, since it uses less digits than its factorization.

2111332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49397 (or 49395 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2111332220 is about 45949.2352493488. The cubic root of 2111332220 is about 1282.8784950626.

Adding to 2111332220 its reverse (222331112), we get a palindrome (2333663332).

The spelling of 2111332220 in words is "two billion, one hundred eleven million, three hundred thirty-two thousand, two hundred twenty".