1002222111120 has 80 divisors (see below), whose sum is σ = 3207110779392. Its totient is φ = 258637962240.

The previous prime is 1002222111091. The next prime is 1002222111181. The reversal of 1002222111120 is 211112222001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1002222111120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67346197 + ... + 67361076.

Almost surely, 2^{1002222111120} is an apocalyptic number.

1002222111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002222111120 is an abundant number, since it is smaller than the sum of its proper divisors (2204888668272).

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

1002222111120 is a wasteful number, since it uses less digits than its factorization.

1002222111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134707320 (or 134707314 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002222111120 its reverse (211112222001), we get a palindrome (1213334333121).

The spelling of 1002222111120 in words is "one trillion, two billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty".