2111203223 has 4 divisors (see below), whose sum is σ = 2115351480. Its totient is φ = 2107054968.

The previous prime is 2111203177. The next prime is 2111203231. The reversal of 2111203223 is 3223021112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111203223 - 2¹² = 2111199127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111203243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073365 + ... + 2074382.

It is an arithmetic number, because the mean of its divisors is an integer number (528837870).

Almost surely, 2^2111203223 is an apocalyptic number.

2111203223 is a deficient number, since it is larger than the sum of its proper divisors (4148257).

2111203223 is an equidigital number, since it uses as much as digits as its factorization.

2111203223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148256.

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

The square root of 2111203223 is about 45947.8315375165. The cubic root of 2111203223 is about 1282.8523676652.

Adding to 2111203223 its reverse (3223021112), we get a palindrome (5334224335).

The spelling of 2111203223 in words is "two billion, one hundred eleven million, two hundred three thousand, two hundred twenty-three".