10111000221009 has 16 divisors (see below), whose sum is σ = 14999695168000. Its totient is φ = 6731470802448.

The previous prime is 10111000220987. The next prime is 10111000221053. The reversal of 10111000221009 is 90012200011101.

It is a happy number.

It is not a de Polignac number, because 10111000221009 - 2⁸ = 10111000220753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111000220982 and 10111000221000.

It is not an unprimeable number, because it can be changed into a prime (10111100221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255424609 + ... + 255464190.

It is an arithmetic number, because the mean of its divisors is an integer number (937480948000).

Almost surely, 2^{10111000221009} is an apocalyptic number.

It is an amenable number.

10111000221009 is a deficient number, since it is larger than the sum of its proper divisors (4888694946991).

10111000221009 is an equidigital number, since it uses as much as digits as its factorization.

10111000221009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510889541 (or 510889535 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 10111000221009 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one thousand, nine".