1111110010001 has 4 divisors (see below), whose sum is σ = 1176469422372. Its totient is φ = 1045750597632.

The previous prime is 1111110009979. The next prime is 1111110010019. The reversal of 1111110010001 is 1000100111111.

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 424823686225 + 686286323776 = 651785^2 + 828424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111110010001 - 2¹⁰ = 1111110008977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111110010201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32679706160 + ... + 32679706193.

It is an arithmetic number, because the mean of its divisors is an integer number (294117355593).

Almost surely, 2^{1111110010001} is an apocalyptic number.

It is an amenable number.

1111110010001 is a deficient number, since it is larger than the sum of its proper divisors (65359412371).

1111110010001 is an equidigital number, since it uses as much as digits as its factorization.

1111110010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65359412370.

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

Adding to 1111110010001 its reverse (1000100111111), we get a palindrome (2111210121112).

The spelling of 1111110010001 in words is "one trillion, one hundred eleven billion, one hundred ten million, ten thousand, one".