10101222112111 has 16 divisors (see below), whose sum is σ = 10990919437344. Its totient is φ = 9227796799104.

The previous prime is 10101222112099. The next prime is 10101222112127. The reversal of 10101222112111 is 11121122210101.

It is a de Polignac number, because none of the positive numbers 2^k-10101222112111 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 (10101222112181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2255020 + ... + 5028673.

It is an arithmetic number, because the mean of its divisors is an integer number (686932464834).

Almost surely, 2^{10101222112111} is an apocalyptic number.

10101222112111 is a deficient number, since it is larger than the sum of its proper divisors (889697325233).

10101222112111 is a wasteful number, since it uses less digits than its factorization.

10101222112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284810.

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

Adding to 10101222112111 its reverse (11121122210101), we get a palindrome (21222344322212).

The spelling of 10101222112111 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred eleven".