1112001222018 has 32 divisors (see below), whose sum is σ = 2245012162560. Its totient is φ = 367174563840.

The previous prime is 1112001221999. The next prime is 1112001222023. The reversal of 1112001222018 is 8102221002111.

It is a junction number, because it is equal to n+sod(n) for n = 1112001221985 and 1112001222003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649873 + ... + 1626756.

It is an arithmetic number, because the mean of its divisors is an integer number (70156630080).

Almost surely, 2^{1112001222018} is an apocalyptic number.

1112001222018 is an abundant number, since it is smaller than the sum of its proper divisors (1133010940542).

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

1112001222018 is a wasteful number, since it uses less digits than its factorization.

1112001222018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277402.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 1112001222018 its reverse (8102221002111), we get a palindrome (9214222224129).

The spelling of 1112001222018 in words is "one trillion, one hundred twelve billion, one million, two hundred twenty-two thousand, eighteen".