2103220101 has 4 divisors (see below), whose sum is σ = 2804293472. Its totient is φ = 1402146732.

The previous prime is 2103220087. The next prime is 2103220103. The reversal of 2103220101 is 1010223012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2103220101 - 2⁵ = 2103220069 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 (2103220103) 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, 350536681 + ... + 350536686.

It is an arithmetic number, because the mean of its divisors is an integer number (701073368).

Almost surely, 2^2103220101 is an apocalyptic number.

It is an amenable number.

2103220101 is a deficient number, since it is larger than the sum of its proper divisors (701073371).

2103220101 is an equidigital number, since it uses as much as digits as its factorization.

2103220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701073370.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2103220101 is about 45860.8776736774. The cubic root of 2103220101 is about 1281.2333694895.

Adding to 2103220101 its reverse (1010223012), we get a palindrome (3113443113).

The spelling of 2103220101 in words is "two billion, one hundred three million, two hundred twenty thousand, one hundred one".