101011001010101 has 12 divisors (see below), whose sum is σ = 125004315706272. Its totient is φ = 79920792007056.

The previous prime is 101011001010089. The next prime is 101011001010103. The reversal of 101011001010101 is 101010100110101.

It is not a de Polignac number, because 101011001010101 - 2¹⁸ = 101011000747957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011001010103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42692729591 + ... + 42692731956.

It is an arithmetic number, because the mean of its divisors is an integer number (10417026308856).

Almost surely, 2^{101011001010101} is an apocalyptic number.

It is an amenable number.

101011001010101 is a deficient number, since it is larger than the sum of its proper divisors (23993314696171).

101011001010101 is an equidigital number, since it uses as much as digits as its factorization.

101011001010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85385461580 (or 85385461567 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 101011001010101 its reverse (101010100110101), we get a palindrome (202021101120202).

The spelling of 101011001010101 in words is "one hundred one trillion, eleven billion, one million, ten thousand, one hundred one".