1011012100001 has 8 divisors (see below), whose sum is σ = 1024514455680. Its totient is φ = 997527362832.

The previous prime is 1011012099973. The next prime is 1011012100027. The reversal of 1011012100001 is 1000012101101.

It is a happy number.

1011012100001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011012100001 - 2¹⁰ = 1011012098977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011012100031) 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, 4289075 + ... + 4518648.

It is an arithmetic number, because the mean of its divisors is an integer number (128064306960).

Almost surely, 2^{1011012100001} is an apocalyptic number.

It is an amenable number.

1011012100001 is a deficient number, since it is larger than the sum of its proper divisors (13502355679).

1011012100001 is an equidigital number, since it uses as much as digits as its factorization.

1011012100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8809255.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1011012100001 its reverse (1000012101101), we get a palindrome (2011024201102).

The spelling of 1011012100001 in words is "one trillion, eleven billion, twelve million, one hundred thousand, one".