2221021103 has 8 divisors (see below), whose sum is σ = 2538607008. Its totient is φ = 1903509504.

The previous prime is 2221021087. The next prime is 2221021129. The reversal of 2221021103 is 3011201222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221021103 - 2⁴ = 2221021087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221021003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81275 + ... + 105107.

It is an arithmetic number, because the mean of its divisors is an integer number (317325876).

Almost surely, 2^2221021103 is an apocalyptic number.

2221021103 is a deficient number, since it is larger than the sum of its proper divisors (317585905).

2221021103 is a wasteful number, since it uses less digits than its factorization.

2221021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37153.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2221021103 is about 47127.7105639559. The cubic root of 2221021103 is about 1304.7207268786.

Adding to 2221021103 its reverse (3011201222), we get a palindrome (5232222325).

The spelling of 2221021103 in words is "two billion, two hundred twenty-one million, twenty-one thousand, one hundred three".