2021101103 has 24 divisors (see below), whose sum is σ = 2424794400. Its totient is φ = 1650078144.

The previous prime is 2021101067. The next prime is 2021101127. The reversal of 2021101103 is 3011011202.

It is not a de Polignac number, because 2021101103 - 2⁶ = 2021101039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021101703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 995093 + ... + 997121.

It is an arithmetic number, because the mean of its divisors is an integer number (101033100).

Almost surely, 2^2021101103 is an apocalyptic number.

2021101103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2021101103 is a deficient number, since it is larger than the sum of its proper divisors (403693297).

2021101103 is a wasteful number, since it uses less digits than its factorization.

2021101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351 (or 2328 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2021101103 is about 44956.6580497261. The cubic root of 2021101103 is about 1264.3365115674.

Adding to 2021101103 its reverse (3011011202), we get a palindrome (5032112305).

The spelling of 2021101103 in words is "two billion, twenty-one million, one hundred one thousand, one hundred three".