1002220222120 has 64 divisors (see below), whose sum is σ = 2428834544640. Its totient is φ = 369992966400.

The previous prime is 1002220222109. The next prime is 1002220222207. The reversal of 1002220222120 is 212220222001.

It is a junction number, because it is equal to n+sod(n) for n = 1002220222094 and 1002220222103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270265 + ... + 3563575.

It is an arithmetic number, because the mean of its divisors is an integer number (37950539760).

Almost surely, 2^{1002220222120} is an apocalyptic number.

1002220222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002220222120 is an abundant number, since it is smaller than the sum of its proper divisors (1426614322520).

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

1002220222120 is a wasteful number, since it uses less digits than its factorization.

1002220222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299906 (or 299902 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1002220222120 its reverse (212220222001), we get a palindrome (1214440444121).

The spelling of 1002220222120 in words is "one trillion, two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty".