2110221312 has 88 divisors (see below), whose sum is σ = 5717221872. Its totient is φ = 691814400.

The previous prime is 2110221241. The next prime is 2110221329. The reversal of 2110221312 is 2131220112.

It is a junction number, because it is equal to n+sod(n) for n = 2110221291 and 2110221300.

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, 181762 + ... + 193022.

Almost surely, 2^2110221312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2110221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2858610936).

2110221312 is an abundant number, since it is smaller than the sum of its proper divisors (3607000560).

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

2110221312 is a wasteful number, since it uses less digits than its factorization.

2110221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11345 (or 11327 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2110221312 is about 45937.1452312831. The cubic root of 2110221312 is about 1282.6534538936.

Adding to 2110221312 its reverse (2131220112), we get a palindrome (4241441424).

The spelling of 2110221312 in words is "two billion, one hundred ten million, two hundred twenty-one thousand, three hundred twelve".