10001002001111 has 4 divisors (see below), whose sum is σ = 10910184001224. Its totient is φ = 9091820001000.

The previous prime is 10001002001083. The next prime is 10001002001117. The reversal of 10001002001111 is 11110020010001.

It is a happy number.

10001002001111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-10001002001111 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 (10001002001117) 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, 454591000040 + ... + 454591000061.

It is an arithmetic number, because the mean of its divisors is an integer number (2727546000306).

Almost surely, 2^{10001002001111} is an apocalyptic number.

10001002001111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10001002001111 is a deficient number, since it is larger than the sum of its proper divisors (909182000113).

10001002001111 is an equidigital number, since it uses as much as digits as its factorization.

10001002001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909182000112.

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

Adding to 10001002001111 its reverse (11110020010001), we get a palindrome (21111022011112).

The spelling of 10001002001111 in words is "ten trillion, one billion, two million, one thousand, one hundred eleven".