1021210002112 has 28 divisors (see below), whose sum is σ = 2133119579320. Its totient is φ = 483731053056.

The previous prime is 1021210002023. The next prime is 1021210002133. The reversal of 1021210002112 is 2112000121201.

It is a junction number, because it is equal to n+sod(n) for n = 1021210002092 and 1021210002101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419904213 + ... + 419906644.

Almost surely, 2^{1021210002112} is an apocalyptic number.

It is an amenable number.

1021210002112 is an abundant number, since it is smaller than the sum of its proper divisors (1111909577208).

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

1021210002112 is an equidigital number, since it uses as much as digits as its factorization.

1021210002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839810888 (or 839810878 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021210002112 its reverse (2112000121201), we get a palindrome (3133210123313).

The spelling of 1021210002112 in words is "one trillion, twenty-one billion, two hundred ten million, two thousand, one hundred twelve".