1000001120111 has 8 divisors (see below), whose sum is σ = 1149869825664. Its totient is φ = 851885265240.

The previous prime is 1000001120059. The next prime is 1000001120191. The reversal of 1000001120111 is 1110211000001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000001120111 - 2¹⁸ = 1000000857967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001120191) 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 7 ways as a sum of consecutive naturals, for example, 438211445 + ... + 438213726.

It is an arithmetic number, because the mean of its divisors is an integer number (143733728208).

Almost surely, 2^{1000001120111} is an apocalyptic number.

1000001120111 is a deficient number, since it is larger than the sum of its proper divisors (149868705553).

1000001120111 is an equidigital number, since it uses as much as digits as its factorization.

1000001120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876425341.

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

Adding to 1000001120111 its reverse (1110211000001), we get a palindrome (2110212120112).

The spelling of 1000001120111 in words is "one trillion, one million, one hundred twenty thousand, one hundred eleven".