1011221201012 has 96 divisors (see below), whose sum is σ = 2003491252224. Its totient is φ = 442575123200.

The previous prime is 1011221200981. The next prime is 1011221201051. The reversal of 1011221201012 is 2101021221101.

1011221201012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174135413 + ... + 174141219.

It is an arithmetic number, because the mean of its divisors is an integer number (20869700544).

Almost surely, 2^{1011221201012} is an apocalyptic number.

It is an amenable number.

1011221201012 is a deficient number, since it is larger than the sum of its proper divisors (992270051212).

1011221201012 is a wasteful number, since it uses less digits than its factorization.

1011221201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109 (or 7107 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011221201012 its reverse (2101021221101), we get a palindrome (3112242422113).

The spelling of 1011221201012 in words is "one trillion, eleven billion, two hundred twenty-one million, two hundred one thousand, twelve".