10111122211 has 8 divisors (see below), whose sum is σ = 10349571584. Its totient is φ = 9872823240.

The previous prime is 10111122199. The next prime is 10111122233. The reversal of 10111122211 is 11222111101.

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 10111122211 - 2¹¹ = 10111120163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111122191 and 10111122200.

It is not an unprimeable number, because it can be changed into a prime (10111122271) 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, 104710 + ... + 176596.

It is an arithmetic number, because the mean of its divisors is an integer number (1293696448).

Almost surely, 2^10111122211 is an apocalyptic number.

10111122211 is a deficient number, since it is larger than the sum of its proper divisors (238449373).

10111122211 is an equidigital number, since it uses as much as digits as its factorization.

10111122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75201.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111122211 its reverse (11222111101), we get a palindrome (21333233312).

The spelling of 10111122211 in words is "ten billion, one hundred eleven million, one hundred twenty-two thousand, two hundred eleven".