210011110011 has 12 divisors (see below), whose sum is σ = 303353356488. Its totient is φ = 140005571904.

The previous prime is 210011109967. The next prime is 210011110031. The reversal of 210011110011 is 110011110012.

It is not a de Polignac number, because 210011110011 - 2¹¹ = 210011107963 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 = 210011109975 and 210011110002.

It is not an unprimeable number, because it can be changed into a prime (210011110031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237171 + ... + 1396643.

It is an arithmetic number, because the mean of its divisors is an integer number (25279446374).

Almost surely, 2^210011110011 is an apocalyptic number.

210011110011 is a deficient number, since it is larger than the sum of its proper divisors (93342246477).

210011110011 is a wasteful number, since it uses less digits than its factorization.

210011110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305802 (or 305799 counting only the distinct ones).

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

Adding to 210011110011 its reverse (110011110012), we get a palindrome (320022220023).

Subtracting from 210011110011 its reverse (110011110012), we obtain a palindrome (99999999999).

The spelling of 210011110011 in words is "two hundred ten billion, eleven million, one hundred ten thousand, eleven".