2122221103 has 4 divisors (see below), whose sum is σ = 2122365328. Its totient is φ = 2122076880.

The previous prime is 2122221083. The next prime is 2122221133. The reversal of 2122221103 is 3011222212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122221103 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 (2122221133) 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, 47163 + ... + 80428.

It is an arithmetic number, because the mean of its divisors is an integer number (530591332).

Almost surely, 2^2122221103 is an apocalyptic number.

2122221103 is a deficient number, since it is larger than the sum of its proper divisors (144225).

2122221103 is a wasteful number, since it uses less digits than its factorization.

2122221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144224.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2122221103 is about 46067.5710560042. The cubic root of 2122221103 is about 1285.0801330821.

Adding to 2122221103 its reverse (3011222212), we get a palindrome (5133443315).

The spelling of 2122221103 in words is "two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred three".