100661010611 has 24 divisors (see below), whose sum is σ = 118069573824. Its totient is φ = 85566030480.

The previous prime is 100661010607. The next prime is 100661010629. The reversal of 100661010611 is 116010166001.

It is not a de Polignac number, because 100661010611 - 2² = 100661010607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100661010601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2908736 + ... + 2943138.

It is an arithmetic number, because the mean of its divisors is an integer number (4919565576).

Almost surely, 2^100661010611 is an apocalyptic number.

100661010611 is a deficient number, since it is larger than the sum of its proper divisors (17408563213).

100661010611 is a wasteful number, since it uses less digits than its factorization.

100661010611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34911 (or 34904 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 100661010611 its reverse (116010166001), we get a palindrome (216671176612).

The spelling of 100661010611 in words is "one hundred billion, six hundred sixty-one million, ten thousand, six hundred eleven".