8101110261 has 16 divisors (see below), whose sum is σ = 11027270016. Its totient is φ = 5288252736.

The previous prime is 8101110253. The next prime is 8101110319. The reversal of 8101110261 is 1620111018.

It is a happy number.

It is not a de Polignac number, because 8101110261 - 2³ = 8101110253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101110211) 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 15 ways as a sum of consecutive naturals, for example, 29331 + ... + 130623.

It is an arithmetic number, because the mean of its divisors is an integer number (689204376).

Almost surely, 2^8101110261 is an apocalyptic number.

It is an amenable number.

8101110261 is a deficient number, since it is larger than the sum of its proper divisors (2926159755).

8101110261 is a wasteful number, since it uses less digits than its factorization.

8101110261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101852.

The product of its (nonzero) digits is 96, while the sum is 21.

The square root of 8101110261 is about 90006.1679053164. The cubic root of 8101110261 is about 2008.3906047330.

Adding to 8101110261 its reverse (1620111018), we get a palindrome (9721221279).

The spelling of 8101110261 in words is "eight billion, one hundred one million, one hundred ten thousand, two hundred sixty-one".