1002220222118 has 32 divisors (see below), whose sum is σ = 1605317674752. Its totient is φ = 468133696800.

The previous prime is 1002220222109. The next prime is 1002220222207. The reversal of 1002220222118 is 8112220222001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1002220222093 and 1002220222102.

It is a congruent number.

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, 38876573 + ... + 38902343.

It is an arithmetic number, because the mean of its divisors is an integer number (50166177336).

Almost surely, 2^{1002220222118} is an apocalyptic number.

1002220222118 is a deficient number, since it is larger than the sum of its proper divisors (603097452634).

1002220222118 is a wasteful number, since it uses less digits than its factorization.

1002220222118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45500.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1002220222118 its reverse (8112220222001), we get a palindrome (9114440444119).

The spelling of 1002220222118 in words is "one trillion, two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred eighteen".