101101110101010 has 48 divisors (see below), whose sum is σ = 262931110078104. Its totient is φ = 26953298712576.

The previous prime is 101101110100999. The next prime is 101101110101041. The reversal of 101101110101010 is 10101011101101.

It can be written as a sum of positive squares in 4 ways, for example, as 100165048046001 + 936062055009 = 10008249^2 + 967503^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101101110100983 and 101101110101001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145428687 + ... + 146122226.

Almost surely, 2^{101101110101010} is an apocalyptic number.

101101110101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101101110101010 is an abundant number, since it is smaller than the sum of its proper divisors (161829999977094).

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

101101110101010 is a wasteful number, since it uses less digits than its factorization.

101101110101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291554779 (or 291554776 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 101101110101010 its reverse (10101011101101), we get a palindrome (111202121202111).

The spelling of 101101110101010 in words is "one hundred one trillion, one hundred one billion, one hundred ten million, one hundred one thousand, ten".