101011101010101 has 16 divisors (see below), whose sum is σ = 149646338723200. Its totient is φ = 67340615588064.

The previous prime is 101011101010093. The next prime is 101011101010139. The reversal of 101011101010101 is 101010101110101.

It is not a de Polignac number, because 101011101010101 - 2³ = 101011101010093 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011101010801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14001465 + ... + 19951521.

It is an arithmetic number, because the mean of its divisors is an integer number (9352896170200).

Almost surely, 2^{101011101010101} is an apocalyptic number.

It is an amenable number.

101011101010101 is a deficient number, since it is larger than the sum of its proper divisors (48635237713099).

101011101010101 is an equidigital number, since it uses as much as digits as its factorization.

101011101010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578825 (or 6578819 counting only the distinct ones).

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

Adding to 101011101010101 its reverse (101010101110101), we get a palindrome (202021202120202).

The spelling of 101011101010101 in words is "one hundred one trillion, eleven billion, one hundred one million, ten thousand, one hundred one".