2261102123 has 4 divisors (see below), whose sum is σ = 2584116720. Its totient is φ = 1938087528.

The previous prime is 2261102117. The next prime is 2261102159. The reversal of 2261102123 is 3212011622.

2261102123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212011622 = 2 ⋅1606005811.

It is a cyclic number.

It is not a de Polignac number, because 2261102123 - 2⁸ = 2261101867 is a prime.

It is a super-2 number, since 2×2261102123² = 10225165621270214258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2261102095 and 2261102104.

It is not an unprimeable number, because it can be changed into a prime (2261102183) 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, 161507288 + ... + 161507301.

It is an arithmetic number, because the mean of its divisors is an integer number (646029180).

Almost surely, 2^2261102123 is an apocalyptic number.

2261102123 is a deficient number, since it is larger than the sum of its proper divisors (323014597).

2261102123 is an equidigital number, since it uses as much as digits as its factorization.

2261102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323014596.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2261102123 is about 47551.0475489237. The cubic root of 2261102123 is about 1312.5224058821.

Adding to 2261102123 its reverse (3212011622), we get a palindrome (5473113745).

The spelling of 2261102123 in words is "two billion, two hundred sixty-one million, one hundred two thousand, one hundred twenty-three".