10112222111 has 4 divisors (see below), whose sum is σ = 10212343224. Its totient is φ = 10012101000.

The previous prime is 10112222101. The next prime is 10112222117. The reversal of 10112222111 is 11122221101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10112222111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112222117) 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, 50060405 + ... + 50060606.

It is an arithmetic number, because the mean of its divisors is an integer number (2553085806).

Almost surely, 2^10112222111 is an apocalyptic number.

10112222111 is a deficient number, since it is larger than the sum of its proper divisors (100121113).

10112222111 is a wasteful number, since it uses less digits than its factorization.

10112222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100121112.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10112222111 its reverse (11122221101), we get a palindrome (21234443212).

The spelling of 10112222111 in words is "ten billion, one hundred twelve million, two hundred twenty-two thousand, one hundred eleven".