2102120223 has 16 divisors (see below), whose sum is σ = 3204698880. Its totient is φ = 1200661056.

The previous prime is 2102120221. The next prime is 2102120239. The reversal of 2102120223 is 3220212012.

It is a happy number.

It is not a de Polignac number, because 2102120223 - 2¹ = 2102120221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102120221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26448 + ... + 70026.

It is an arithmetic number, because the mean of its divisors is an integer number (200293680).

Almost surely, 2^2102120223 is an apocalyptic number.

2102120223 is a deficient number, since it is larger than the sum of its proper divisors (1102578657).

2102120223 is a wasteful number, since it uses less digits than its factorization.

2102120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45886.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2102120223 is about 45848.8846429223. The cubic root of 2102120223 is about 1281.0099904094.

Adding to 2102120223 its reverse (3220212012), we get a palindrome (5322332235).

The spelling of 2102120223 in words is "two billion, one hundred two million, one hundred twenty thousand, two hundred twenty-three".