2110103221 has 4 divisors (see below), whose sum is σ = 2119159692. Its totient is φ = 2101046752.

The previous prime is 2110103213. The next prime is 2110103227. The reversal of 2110103221 is 1223010112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1189284196 + 920819025 = 34486^2 + 30345^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110103221 - 2³ = 2110103213 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 (2110103227) 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, 4527886 + ... + 4528351.

It is an arithmetic number, because the mean of its divisors is an integer number (529789923).

Almost surely, 2^2110103221 is an apocalyptic number.

It is an amenable number.

2110103221 is a deficient number, since it is larger than the sum of its proper divisors (9056471).

2110103221 is an equidigital number, since it uses as much as digits as its factorization.

2110103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9056470.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2110103221 is about 45935.8598591558. The cubic root of 2110103221 is about 1282.6295270739.

Adding to 2110103221 its reverse (1223010112), we get a palindrome (3333113333).

The spelling of 2110103221 in words is "two billion, one hundred ten million, one hundred three thousand, two hundred twenty-one".