10111222101111 has 64 divisors (see below), whose sum is σ = 14660968358400. Its totient is φ = 6176703859200.

The previous prime is 10111222101107. The next prime is 10111222101133. The reversal of 10111222101111 is 11110122211101.

It is not a de Polignac number, because 10111222101111 - 2² = 10111222101107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111222101151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1828097416 + ... + 1828102946.

It is an arithmetic number, because the mean of its divisors is an integer number (229077630600).

Almost surely, 2^{10111222101111} is an apocalyptic number.

10111222101111 is a deficient number, since it is larger than the sum of its proper divisors (4549746257289).

10111222101111 is a wasteful number, since it uses less digits than its factorization.

10111222101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10560.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10111222101111 its reverse (11110122211101), we get a palindrome (21221344312212).

It can be divided in two parts, 10111 and 222101111, that added together give a palindrome (222111222).

The spelling of 10111222101111 in words is "ten trillion, one hundred eleven billion, two hundred twenty-two million, one hundred one thousand, one hundred eleven".