2102247241 has 4 divisors (see below), whose sum is σ = 2159064772. Its totient is φ = 2045429712.

The previous prime is 2102247233. The next prime is 2102247263. The reversal of 2102247241 is 1427422012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1722582016 + 379665225 = 41504^2 + 19485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102247241 - 2³ = 2102247233 is a prime.

It is a super-2 number, since 2×2102247241² = 8838886924584224162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102247271) 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, 28408710 + ... + 28408783.

It is an arithmetic number, because the mean of its divisors is an integer number (539766193).

Almost surely, 2^2102247241 is an apocalyptic number.

It is an amenable number.

2102247241 is a deficient number, since it is larger than the sum of its proper divisors (56817531).

2102247241 is an equidigital number, since it uses as much as digits as its factorization.

2102247241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56817530.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2102247241 is about 45850.2698029139. The cubic root of 2102247241 is about 1281.0357910349.

Adding to 2102247241 its reverse (1427422012), we get a palindrome (3529669253).

The spelling of 2102247241 in words is "two billion, one hundred two million, two hundred forty-seven thousand, two hundred forty-one".