11112817122 has 48 divisors (see below), whose sum is σ = 26276047200. Its totient is φ = 3366316800.

The previous prime is 11112817117. The next prime is 11112817127. The reversal of 11112817122 is 22171821111.

It is an interprime number because it is at equal distance from previous prime (11112817117) and next prime (11112817127).

It is not an unprimeable number, because it can be changed into a prime (11112817127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 657129 + ... + 673827.

It is an arithmetic number, because the mean of its divisors is an integer number (547417650).

Almost surely, 2^11112817122 is an apocalyptic number.

11112817122 is an abundant number, since it is smaller than the sum of its proper divisors (15163230078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112817122 is a wasteful number, since it uses less digits than its factorization.

11112817122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20079 (or 20076 counting only the distinct ones).

The product of its digits is 448, while the sum is 27.

The spelling of 11112817122 in words is "eleven billion, one hundred twelve million, eight hundred seventeen thousand, one hundred twenty-two".