10001010101010 has 128 divisors (see below), whose sum is σ = 24655707707904. Its totient is φ = 2595553689600.

The previous prime is 10001010101009. The next prime is 10001010101099. The reversal of 10001010101010 is 1010101010001.

It is a Harshad number since it is a multiple of its sum of digits (6).

10001010101010 is a modest number, since divided by 10101010 gives 100010 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 10001010101010.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50005210 + ... + 50204810.

It is an arithmetic number, because the mean of its divisors is an integer number (192622716468).

Almost surely, 2^{10001010101010} is an apocalyptic number.

10001010101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10001010101010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12327853853952).

10001010101010 is an abundant number, since it is smaller than the sum of its proper divisors (14654697606894).

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

10001010101010 is a wasteful number, since it uses less digits than its factorization.

10001010101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199988.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 10001010101010 its reverse (1010101010001), we get a palindrome (11011111111011).

The spelling of 10001010101010 in words is "ten trillion, one billion, ten million, one hundred one thousand, ten".