91102000010 has 48 divisors (see below), whose sum is σ = 193883650920. Its totient is φ = 30722912640.

The previous prime is 91102000007. The next prime is 91102000037. The reversal of 91102000010 is 1000020119.

It can be written as a sum of positive squares in 4 ways, for example, as 61200327769 + 29901672241 = 247387^2 + 172921^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494065 + ... + 1553844.

Almost surely, 2^91102000010 is an apocalyptic number.

91102000010 is an abundant number, since it is smaller than the sum of its proper divisors (102781650910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91102000010 is a wasteful number, since it uses less digits than its factorization.

91102000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047991 (or 3047984 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 91102000010 its reverse (1000020119), we get a palindrome (92102020129).

The spelling of 91102000010 in words is "ninety-one billion, one hundred two million, ten", and thus it is an aban number.