2111225223 has 64 divisors (see below), whose sum is σ = 3351490560. Its totient is φ = 1171957248.

The previous prime is 2111225219. The next prime is 2111225243. The reversal of 2111225223 is 3225221112.

It is not a de Polignac number, because 2111225223 - 2² = 2111225219 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2111225223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111225243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 957240 + ... + 959442.

It is an arithmetic number, because the mean of its divisors is an integer number (52367040).

Almost surely, 2^2111225223 is an apocalyptic number.

2111225223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2111225223 is a deficient number, since it is larger than the sum of its proper divisors (1240265337).

2111225223 is a wasteful number, since it uses less digits than its factorization.

2111225223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its digits is 480, while the sum is 21.

The square root of 2111225223 is about 45948.0709388327. The cubic root of 2111225223 is about 1282.8568236793.

Adding to 2111225223 its reverse (3225221112), we get a palindrome (5336446335).

The spelling of 2111225223 in words is "two billion, one hundred eleven million, two hundred twenty-five thousand, two hundred twenty-three".