1002020222112 has 144 divisors (see below), whose sum is σ = 3295105162272. Its totient is φ = 264269053440.

The previous prime is 1002020222087. The next prime is 1002020222129. The reversal of 1002020222112 is 2112220202001.

It is a junction number, because it is equal to n+sod(n) for n = 1002020222091 and 1002020222100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8131714 + ... + 8254017.

It is an arithmetic number, because the mean of its divisors is an integer number (22882674738).

Almost surely, 2^{1002020222112} is an apocalyptic number.

1002020222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002020222112 is an abundant number, since it is smaller than the sum of its proper divisors (2293084940160).

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

1002020222112 is a wasteful number, since it uses less digits than its factorization.

1002020222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16385771 (or 16385756 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1002020222112 its reverse (2112220202001), we get a palindrome (3114240424113).

The spelling of 1002020222112 in words is "one trillion, two billion, twenty million, two hundred twenty-two thousand, one hundred twelve".