10011001010101 has 8 divisors (see below), whose sum is σ = 12321232012544. Its totient is φ = 7920792007920.

The previous prime is 10011001010009. The next prime is 10011001010173. The reversal of 10011001010101 is 10101010011001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10011001010101 - 2¹⁵ = 10011000977333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

10011001010101 is a modest number, since divided by 1010101 gives 100110 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011001010191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55005499965 + ... + 55005500146.

It is an arithmetic number, because the mean of its divisors is an integer number (1540154001568).

Almost surely, 2^{10011001010101} is an apocalyptic number.

It is an amenable number.

10011001010101 is a deficient number, since it is larger than the sum of its proper divisors (2310231002443).

10011001010101 is a wasteful number, since it uses less digits than its factorization.

10011001010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110011000131.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10011001010101 its reverse (10101010011001), we get a palindrome (20112011021102).

The spelling of 10011001010101 in words is "ten trillion, eleven billion, one million, ten thousand, one hundred one".