2111223330 has 96 divisors (see below), whose sum is σ = 5654458368. Its totient is φ = 546134400.

The previous prime is 2111223329. The next prime is 2111223391. The reversal of 2111223330 is 333221112.

2111223330 is a `hidden beast` number, since 2 + 111 + 223 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1434495 + ... + 1435965.

It is an arithmetic number, because the mean of its divisors is an integer number (58900608).

Almost surely, 2^2111223330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111223330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827229184).

2111223330 is an abundant number, since it is smaller than the sum of its proper divisors (3543235038).

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

2111223330 is a wasteful number, since it uses less digits than its factorization.

2111223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2111223330 is about 45948.0503394867. The cubic root of 2111223330 is about 1282.8564402608.

Adding to 2111223330 its reverse (333221112), we get a palindrome (2444444442).

The spelling of 2111223330 in words is "two billion, one hundred eleven million, two hundred twenty-three thousand, three hundred thirty".