1001111000211 has 24 divisors (see below), whose sum is σ = 1725270660240. Its totient is φ = 572063427936.

The previous prime is 1001111000203. The next prime is 1001111000261. The reversal of 1001111000211 is 1120001111001.

It is not a de Polignac number, because 1001111000211 - 2³ = 1001111000203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001111000193 and 1001111000202.

It is not an unprimeable number, because it can be changed into a prime (1001111000261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378347506 + ... + 378350151.

It is an arithmetic number, because the mean of its divisors is an integer number (71886277510).

Almost surely, 2^{1001111000211} is an apocalyptic number.

1001111000211 is a deficient number, since it is larger than the sum of its proper divisors (724159660029).

1001111000211 is an equidigital number, since it uses as much as digits as its factorization.

1001111000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756697680 (or 756697667 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1001111000211 its reverse (1120001111001), we get a palindrome (2121112111212).

The spelling of 1001111000211 in words is "one trillion, one billion, one hundred eleven million, two hundred eleven", and thus it is an aban number.