2100220103 has 8 divisors (see below), whose sum is σ = 2224168272. Its totient is φ = 1976317056.

The previous prime is 2100220099. The next prime is 2100220139. The reversal of 2100220103 is 3010220012.

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 2100220103 - 2² = 2100220099 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 (2100220163) 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, 153176 + ... + 166322.

It is an arithmetic number, because the mean of its divisors is an integer number (278021034).

Almost surely, 2^2100220103 is an apocalyptic number.

2100220103 is a deficient number, since it is larger than the sum of its proper divisors (123948169).

2100220103 is a wasteful number, since it uses less digits than its factorization.

2100220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22561.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100220103 is about 45828.1584072500. The cubic root of 2100220103 is about 1280.6239029985.

Adding to 2100220103 its reverse (3010220012), we get a palindrome (5110440115).

Subtracting 2100220103 from its reverse (3010220012), we obtain a palindrome (909999909).

The spelling of 2100220103 in words is "two billion, one hundred million, two hundred twenty thousand, one hundred three".