1022021110012 has 12 divisors (see below), whose sum is σ = 2044042220080. Its totient is φ = 438009047136.

The previous prime is 1022021110009. The next prime is 1022021110021. The reversal of 1022021110012 is 2100111202201.

1022021110012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1022021109974 and 1022021110001.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 18250376937 + ... + 18250376992.

Almost surely, 2^{1022021110012} is an apocalyptic number.

It is an amenable number.

1022021110012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1022021110012 is a wasteful number, since it uses less digits than its factorization.

1022021110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36500753940 (or 36500753938 counting only the distinct ones).

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

Adding to 1022021110012 its reverse (2100111202201), we get a palindrome (3122132312213).

The spelling of 1022021110012 in words is "one trillion, twenty-two billion, twenty-one million, one hundred ten thousand, twelve".