2106243611 has 16 divisors (see below), whose sum is σ = 2293112736. Its totient is φ = 1926498816.

The previous prime is 2106243599. The next prime is 2106243619. The reversal of 2106243611 is 1163426012.

It is a cyclic number.

It is not a de Polignac number, because 2106243611 - 2³⁰ = 1032501787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106243619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776720 + ... + 779426.

It is an arithmetic number, because the mean of its divisors is an integer number (143319546).

Almost surely, 2^2106243611 is an apocalyptic number.

2106243611 is a deficient number, since it is larger than the sum of its proper divisors (186869125).

2106243611 is a wasteful number, since it uses less digits than its factorization.

2106243611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2106243611 is about 45893.8297704604. The cubic root of 2106243611 is about 1281.8470264715.

Adding to 2106243611 its reverse (1163426012), we get a palindrome (3269669623).

The spelling of 2106243611 in words is "two billion, one hundred six million, two hundred forty-three thousand, six hundred eleven".