111011122012078 has 64 divisors (see below), whose sum is σ = 174295389945600. Its totient is φ = 52977653597440.

The previous prime is 111011122012027. The next prime is 111011122012079. The reversal of 111011122012078 is 870210221110111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011122012079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4084431093 + ... + 4084458271.

It is an arithmetic number, because the mean of its divisors is an integer number (2723365467900).

Almost surely, 2^{111011122012078} is an apocalyptic number.

111011122012078 is a deficient number, since it is larger than the sum of its proper divisors (63284267933522).

111011122012078 is a wasteful number, since it uses less digits than its factorization.

111011122012078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29937.

The product of its (nonzero) digits is 448, while the sum is 28.

Adding to 111011122012078 its reverse (870210221110111), we get a palindrome (981221343122189).

The spelling of 111011122012078 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, twelve thousand, seventy-eight".