1011123003211 has 8 divisors (see below), whose sum is σ = 1064363619920. Its totient is φ = 957884748192.

The previous prime is 1011123003167. The next prime is 1011123003271. The reversal of 1011123003211 is 1123003211101.

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 1011123003211 - 2⁹ = 1011123002699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011123003271) 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, 324781 + ... + 1458673.

It is an arithmetic number, because the mean of its divisors is an integer number (133045452490).

Almost surely, 2^{1011123003211} is an apocalyptic number.

1011123003211 is a deficient number, since it is larger than the sum of its proper divisors (53240616709).

1011123003211 is a wasteful number, since it uses less digits than its factorization.

1011123003211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180845.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011123003211 its reverse (1123003211101), we get a palindrome (2134126214312).

It can be divided in two parts, 101 and 1123003211, that multiplied together give a palindrome (113423324311).

The spelling of 1011123003211 in words is "one trillion, eleven billion, one hundred twenty-three million, three thousand, two hundred eleven".