112201222020018 has 64 divisors (see below), whose sum is σ = 226360461938688. Its totient is φ = 37074580623360.

The previous prime is 112201222020011. The next prime is 112201222020049. The reversal of 112201222020018 is 810020222102211.

It is a super-2 number, since 2×112201222020018² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112201222020018.

It is not an unprimeable number, because it can be changed into a prime (112201222020011) 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, 6570303696 + ... + 6570320772.

It is an arithmetic number, because the mean of its divisors is an integer number (3536882217792).

Almost surely, 2^{112201222020018} is an apocalyptic number.

112201222020018 is an abundant number, since it is smaller than the sum of its proper divisors (114159239918670).

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

112201222020018 is a wasteful number, since it uses less digits than its factorization.

112201222020018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23987.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 112201222020018 its reverse (810020222102211), we get a palindrome (922221444122229).

The spelling of 112201222020018 in words is "one hundred twelve trillion, two hundred one billion, two hundred twenty-two million, twenty thousand, eighteen".