2103245571 has 12 divisors (see below), whose sum is σ = 3262177032. Its totient is φ = 1201854528.

The previous prime is 2103245569. The next prime is 2103245581. The reversal of 2103245571 is 1755423012.

It is not a de Polignac number, because 2103245571 - 2¹ = 2103245569 is a prime.

It is a super-2 number, since 2×2103245571² = 8847283863862232082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2103245581) 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 11 ways as a sum of consecutive naturals, for example, 7153750 + ... + 7154043.

It is an arithmetic number, because the mean of its divisors is an integer number (271848086).

Almost surely, 2^2103245571 is an apocalyptic number.

2103245571 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2103245571 is a deficient number, since it is larger than the sum of its proper divisors (1158931461).

2103245571 is a wasteful number, since it uses less digits than its factorization.

2103245571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14307810 (or 14307803 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2103245571 is about 45861.1553605009. The cubic root of 2103245571 is about 1281.2385413816.

Adding to 2103245571 its reverse (1755423012), we get a palindrome (3858668583).

The spelling of 2103245571 in words is "two billion, one hundred three million, two hundred forty-five thousand, five hundred seventy-one".