101011011001101 has 12 divisors (see below), whose sum is σ = 147751689791680. Its totient is φ = 66488260405320.

The previous prime is 101011011001097. The next prime is 101011011001123. The reversal of 101011011001101 is 101100110110101.

It is not a de Polignac number, because 101011011001101 - 2² = 101011011001097 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 (101011011002101) 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, 71034465535 + ... + 71034466956.

Almost surely, 2^{101011011001101} is an apocalyptic number.

It is an amenable number.

101011011001101 is a deficient number, since it is larger than the sum of its proper divisors (46740678790579).

101011011001101 is a wasteful number, since it uses less digits than its factorization.

101011011001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142068932576 (or 142068932573 counting only the distinct ones).

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

Adding to 101011011001101 its reverse (101100110110101), we get a palindrome (202111121111202).

It can be divided in two parts, 10101 and 1011001101, that multiplied together give a palindrome (10212122121201).

The spelling of 101011011001101 in words is "one hundred one trillion, eleven billion, eleven million, one thousand, one hundred one".