10111100222211 has 4 divisors (see below), whose sum is σ = 13481466962952. Its totient is φ = 6740733481472.

The previous prime is 10111100222203. The next prime is 10111100222257. The reversal of 10111100222211 is 11222200111101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10111100222211 - 2³ = 10111100222203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111100222281) 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 3 ways as a sum of consecutive naturals, for example, 1685183370366 + ... + 1685183370371.

It is an arithmetic number, because the mean of its divisors is an integer number (3370366740738).

Almost surely, 2^{10111100222211} is an apocalyptic number.

10111100222211 is a deficient number, since it is larger than the sum of its proper divisors (3370366740741).

10111100222211 is an equidigital number, since it uses as much as digits as its factorization.

10111100222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370366740740.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10111100222211 its reverse (11222200111101), we get a palindrome (21333300333312).

The spelling of 10111100222211 in words is "ten trillion, one hundred eleven billion, one hundred million, two hundred twenty-two thousand, two hundred eleven".