211023011233 has 8 divisors (see below), whose sum is σ = 216315154440. Its totient is φ = 205737784320.

The previous prime is 211023011207. The next prime is 211023011237. The reversal of 211023011233 is 332110320112.

211023011233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17548830784 + 193474180449 = 132472^2 + 439857^2 .

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 211023011233 - 2¹³ = 211023003041 is a prime.

It is a super-2 number, since 2×211023011233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211023011233.

It is not an unprimeable number, because it can be changed into a prime (211023011237) 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 7 ways as a sum of consecutive naturals, for example, 1667260 + ... + 1789357.

It is an arithmetic number, because the mean of its divisors is an integer number (27039394305).

Almost surely, 2^211023011233 is an apocalyptic number.

It is an amenable number.

211023011233 is a deficient number, since it is larger than the sum of its proper divisors (5292143207).

211023011233 is a wasteful number, since it uses less digits than its factorization.

211023011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458147.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211023011233 its reverse (332110320112), we get a palindrome (543133331345).

The spelling of 211023011233 in words is "two hundred eleven billion, twenty-three million, eleven thousand, two hundred thirty-three".