1010111010001 has 4 divisors (see below), whose sum is σ = 1011758826292. Its totient is φ = 1008463193712.

The previous prime is 1010111009983. The next prime is 1010111010017. The reversal of 1010111010001 is 1000101110101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 414157889601 + 595953120400 = 643551^2 + 771980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010111010001 - 2¹⁵ = 1010110977233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010111010071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823907226 + ... + 823908451.

It is an arithmetic number, because the mean of its divisors is an integer number (252939706573).

Almost surely, 2^{1010111010001} is an apocalyptic number.

It is an amenable number.

1010111010001 is a deficient number, since it is larger than the sum of its proper divisors (1647816291).

1010111010001 is an equidigital number, since it uses as much as digits as its factorization.

1010111010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647816290.

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

Adding to 1010111010001 its reverse (1000101110101), we get a palindrome (2010212120102).

The spelling of 1010111010001 in words is "one trillion, ten billion, one hundred eleven million, ten thousand, one".