10001111100901 has 4 divisors (see below), whose sum is σ = 10141971820704. Its totient is φ = 9860250381100.

The previous prime is 10001111100887. The next prime is 10001111100917. The reversal of 10001111100901 is 10900111110001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10001111100901 - 2³⁹ = 9451355287013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001111107901) 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, 70430359795 + ... + 70430359936.

It is an arithmetic number, because the mean of its divisors is an integer number (2535492955176).

Almost surely, 2^{10001111100901} is an apocalyptic number.

It is an amenable number.

10001111100901 is a deficient number, since it is larger than the sum of its proper divisors (140860719803).

10001111100901 is an equidigital number, since it uses as much as digits as its factorization.

10001111100901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140860719802.

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 10001111100901 its reverse (10900111110001), we get a palindrome (20901222210902).

It can be divided in two parts, 1000111 and 1100901, that added together give a palindrome (2101012).

The spelling of 10001111100901 in words is "ten trillion, one billion, one hundred eleven million, one hundred thousand, nine hundred one".