10101010986 has 128 divisors (see below), whose sum is σ = 24957849600. Its totient is φ = 3002503680.

The previous prime is 10101010981. The next prime is 10101010999. The reversal of 10101010986 is 68901010101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10101010981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14048335 + ... + 14049053.

It is an arithmetic number, because the mean of its divisors is an integer number (194983200).

Almost surely, 2^10101010986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101010986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12478924800).

10101010986 is an abundant number, since it is smaller than the sum of its proper divisors (14856838614).

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

10101010986 is a wasteful number, since it uses less digits than its factorization.

10101010986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 10101010986 in words is "ten billion, one hundred one million, ten thousand, nine hundred eighty-six".