2112220110 has 256 divisors, whose sum is σ = 6994003968. Its totient is φ = 393984000.

The previous prime is 2112220079. The next prime is 2112220151. The reversal of 2112220110 is 110222112.

It is a super-2 number, since 2×2112220110² = 8922947586176824200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1110160 + ... + 1112060.

It is an arithmetic number, because the mean of its divisors is an integer number (27320328).

Almost surely, 2^2112220110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112220110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3497001984).

2112220110 is an abundant number, since it is smaller than the sum of its proper divisors (4881783858).

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

2112220110 is a wasteful number, since it uses less digits than its factorization.

2112220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2112220110 is about 45958.8958744659. The cubic root of 2112220110 is about 1283.0583018125.

Adding to 2112220110 its reverse (110222112), we get a palindrome (2222442222).

It can be divided in two parts, 2112 and 220110, that added together give a palindrome (222222).

The spelling of 2112220110 in words is "two billion, one hundred twelve million, two hundred twenty thousand, one hundred ten".