10111222210111 has 16 divisors (see below), whose sum is σ = 11219321779200. Its totient is φ = 9034659489600.

The previous prime is 10111222210079. The next prime is 10111222210127. The reversal of 10111222210111 is 11101222211101.

It is a cyclic number.

It is not a de Polignac number, because 10111222210111 - 2⁵ = 10111222210079 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 (10111222210151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2413195 + ... + 5103523.

It is an arithmetic number, because the mean of its divisors is an integer number (701207611200).

Almost surely, 2^{10111222210111} is an apocalyptic number.

10111222210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10111222210111 is a deficient number, since it is larger than the sum of its proper divisors (1108099569089).

10111222210111 is a wasteful number, since it uses less digits than its factorization.

10111222210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696190.

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

Adding to 10111222210111 its reverse (11101222211101), we get a palindrome (21212444421212).

The spelling of 10111222210111 in words is "ten trillion, one hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, one hundred eleven".